INVT EC20 Elevator Door Controller - V1.2 [PDF]
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EC20 Elevator Door Controller
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Content
1 Safety precautions ............................................................................................................... 2 1.1 Safety definition ............................................................................................................. 2 1.2 Warning symbols ........................................................................................................... 2 1.3 Safety guidelines ........................................................................................................... 3 2 Product overview.................................................................................................................. 5 2.1 Quick start-up ................................................................................................................ 5 2.2 Product specification ..................................................................................................... 7 2.3 Name plate .................................................................................................................... 8 2.4 Type designation key ..................................................................................................... 8 2.5 Rated specifications ...................................................................................................... 9 2.6 Structure diagram .......................................................................................................... 9 3 Installation guidelines ........................................................................................................ 10 3.1 Mechanical installation ................................................................................................ 10 3.2 Standard wiring ............................................................................................................ 12 3.3 Layout protection ......................................................................................................... 14 4 Keypad operation procedure............................................................................................. 16 4.1 Keypad introduction ..................................................................................................... 16 4.2 Keypad displaying........................................................................................................ 18 4.3 Keypad operation......................................................................................................... 19 5 Function parameters .......................................................................................................... 21 6 Commissioning instruction ............................................................................................... 51 6.1 Running commissioning .............................................................................................. 51 6.2 Speed control mode ..................................................................................................... 51 6.3 Distance control mode 1 .............................................................................................. 54 6.4 Distance control mode 2 .............................................................................................. 56 6.5 CLOSE obstruction ...................................................................................................... 59 7 Fault ..................................................................................................................................... 61 7.1 Fault prevention ........................................................................................................... 61 7.2 Troubleshooting ........................................................................................................... 65 Appendix A Technical data ................................................................................................... 71 A.1 Ratings ........................................................................................................................ 71 A.2 CE ............................................................................................................................... 72 A.3 EMC regulations .......................................................................................................... 72 Appendix B Dimension drawings ........................................................................................ 74 B.1 External keypad (optional) structure ........................................................................... 74 B.2 Controller chart ............................................................................................................ 75 Appendix C Peripheral options and parts ........................................................................... 76 C.1 Peripheral wiring ......................................................................................................... 76 C.2 Power supply .............................................................................................................. 77 C.3 Cables ......................................................................................................................... 77 C.4 Breaker and electromagnetic contactor ...................................................................... 78 C.6 Filters .......................................................................................................................... 78 C.7 Braking components ................................................................................................... 79 Appendix D Further information .......................................................................................... 81
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EC20 elevator door controller
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Physical hurt may occur if not follow the relative requirements
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Sides of the device may become hot. Do not touch.
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Hot sides
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Damage to the PCBA board may occur if not follow the relative requirements
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Abbreviation
Physical injury or damage to the devices may occur if not follow the relative requirements
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Hot sides Note
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Electrostatic discharge
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Instruction
Serious physical injury or even death may occur if not follow the relative requirements
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Symbols
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Warnings caution you about conditions which can result in serious injury or death and/or damage to the equipment, and advice on how to avoid the danger. Following warning symbols are used in this manual:
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1.2 Warning symbols
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Note: Qualified electricians:
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Warning:
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Serious physical injury or even death may occur if not follow relevant requirements Physical injury or damage to the devices may occur if not follow relevant requirements Physical hurt may occur if not follow relevant requirements People working on the device should take part in professional electrical and safety training, receive the certification and be familiar with all steps and requirements of installing, commissioning, operating and maintaining the device to avoid any emergency.
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Danger:
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1.1 Safety definition
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Please read this manual carefully and follow all safety precautions before moving, installing, operating and servicing the controller. If ignored, physical injury or death may occur, or damage may occur to the devices. If any physical injury or death or damage to the devices occurs for ignoring to the safety precautions in the manual, our company will not be responsible for any damages and we are not legally bound in any manner.
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Safety precautions
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1 Safety precautions
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EC20 elevator door controller
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Note: Select appropriate moving and installing tools to ensure a safe and normal running of the controller and avoid physical injury or death. For physical safety, the erector should take some mechanical protective measurements, such as wearing exposure shoes and working uniforms. Ensure to avoid physical shock or vibration during delivery and installation. Do not carry the controller by its cover. The cover may fall off. Install away from children and other public places. The controller cannot meet the requirements of low voltage protection in IEC61800-5-1 if the sea level of installation site is above 2000m. The leakage current of the controller may be above 3.5mA during operation. Ground with proper techniques and ensure the grounding resistor is less than 10Ω. The conductivity of
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The electrical parts and components inside the controller are electrostatic. Take measurements to avoid electrostatic discharge during relevant operation.
Please install the controller on fire-retardant material and keep the controller away from combustible materials. Connect the braking optional parts (braking resistors, braking units or feedback units) according to the wiring diagram. Do not operate on the controller if there is any damage or components loss to the controller. Do not touch the controller with wet items or body, otherwise electric shock may occur.
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The base of the radiator may become hot during running. Do not touch to avoid hurt.
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5 minutes
Do not refit the controller unauthorized; otherwise fire, electric shock or other injury may occur.
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Minimum wait time
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Controller module
1PH 220V
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Only qualified electricians are allowed to operate on the controller. Do not carry out any wiring and inspection or changing components when the power supply is applied. Ensure all input power supply is disconnected before wiring and checking and always wait for at least the time designated on the controller or until the DC bus voltage is less than 36V. Below is the table of the wait time:
1.3.1 Delivery and installation
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1.3 Safety guidelines
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When the life cycle ends, the product should enter the recycling system. Dispose of it separately at an appropriate collection point instead of placing it in the normal waste stream.
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There are heavy metals in the controller. Deal with it as industrial effluent.
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1.3.4 Scrap treatment
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Note: Please select proper torque to tighten screws. Keep the controller, parts and components away from combustible materials during maintenance and component replacement. Do not carry out any isolation and pressure test on the controller and do not measure the control circuit of the controller by megameter.
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Only qualified electricians are allowed to perform the maintenance, inspection, and components replacement of the controller. Disconnect all power supplies to the controller before the terminal wiring. Wait for at least the time designated on the controller after disconnection. Take measures to avoid screws, cables and other conductive matters to fall into the controller during maintenance and component replacement.
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Note: Do not switch on or off the input power supply of the controller frequently. For controllers that have been stored for a long time, check and fix the capacitance and try to run it again before utilization (see Maintenance and Hardware Fault Diagnose). Cover the front board before running, otherwise electric shock may occur. 1.3.3 Maintenance and replacement of components
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Disconnect all power supplies applied to the controller before the terminal wiring and wait for at least the designated time after disconnecting the power supply. High voltage is present inside the controller during running. Do not carry out any operation except for the keypad setting. The controller can not be used as “Emergency-stop device”. The controller can not be used to break the motor suddenly. A mechanical braking device should be provided.
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1.3.2 Commissioning and running
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PE grounding conductor is the same as that of the phase conductor (with the same cross sectional area). L and N are the input terminals of the power supply, while U, V and W are the motor terminals. Please connect the input power cables and motor cables with proper techniques; otherwise the damage to the controller may occur.
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EC20 elevator door controller
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Check as follows after receiving products:
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2.1.1 Unpacking inspection
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2.1 Quick start-up
Product overview
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2 Product overview
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Check the machine before beginning to use the controller:
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5. Check to ensure the accessories (including user’s manual and control keypad) inside the device is complete. If not, please contact with local dealers or INVT offices.
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4. Check the information on the type designation label on the outside of the package to verify that the name plate is of the correct type. If not, please contact with local dealers or INVT offices.
2.1.2 Application confirmation
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3. Check that there are no signs of water in the package and no signs of damage or breach to the controller. If not, please contact with local dealers or INVT offices.
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2. Check the information on the type designation label on the outside of the package to verify that the drive is of the correct type. If not, please contact with local dealers or INVT offices.
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1. Check that there are no damage and humidification to the package. If not, please contact with local agents or INVT offices.
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2. Check that the actual current of the motor is less than the rated current of the controller.
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3. Check that the control accuracy of the load is the same of the controller.
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1. Check the load type to verify that there is no overload of the controller during work and check that whether the drive needs to modify the power degree.
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2. Check that the ambient temperature of the controller in actual usage is above -10°C. If not, add heating facilities. Note: For the cabinet controller, the ambient temperature means the air temperature inside the cabinet.
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3. Check that the altitude of the actual usage site is below 1000m. If exceeds, derate1% 5
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1. Check that the ambient temperature of the controller is below 40°C. If exceeds, derate1% for every additional 1°C. Additionally, the controller can not be used if the ambient temperature is above 50°C. Note: For the cabinet controller, the ambient temperature means the air temperature inside the cabinet.
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Check as follows before the actual installation and usage:
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2.1.3 Environment
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4. Check that the incoming supply voltage is correspondent to the rated voltage of the controller.
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Product overview
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for every additional 100m.
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4. Check that the humidity of the actual usage site is below 90% and condensation is not allowed. If not, add additional protection controllers.
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5. Check that the actual usage site is away from direct sunlight and foreign objects can not enter the controller. If not, add additional protective measures.
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Check as follows after the installation:
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2.1.4 Installation confirmation
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6. Check that there is no conductive dust or flammable gas in the actual usage site. If not, add additional protection to controllers.
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2. Check that the accessories of the controller are correctly and properly installed. The installation cables should meet the needs of every component (including reactors, input filters, output reactors, output filters, DC reactors, braking units and braking resistors).
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1. Check that the load range of the input and output cables meet the need of actual load.
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4. Check that all control cables and power cables are run separately and the routation complies with EMC requirement.
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5. Check that all grounding systems are properly grounded according to the requirements of the controller.
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3. Check that the controller is installed on non-flammable materials and the calorific accessories (reactors and brake resistors) are away from flammable materials.
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li
7. Check that the installation conforms to the instructions in user’s manual. The drive must be installed in an upright position.
-l
up
w.
t.
if
up
w.
ft
.c
ww
6. Check that the free space during installation is sufficient according to the instructions in user’s manual.
t.
cn
if if
if
up
up
t.
2. Adjust the ACC/DEC time according to the actual running of the load.
t.
-l
w.
ww
cn
ww
-l
w.
if
up
1. Autotune. If possible, de-coupled from the motor load to start dynamic autotune. Or if not, static autotune is available.
cn t. if
up
w. ww
cn t. if
-l up
w.
6
-l
w.
ww
cn
if
up w.
cn t. if
-l
w.
ft li p.u
ww
.c
ww
n
if
-l
up
t.
-l
up
t.
ww
cn
w.
if
3. Commission the device via jogging and check that the rotation direction is as required. If not, change the rotation direction by changing the wiring of motor. 4. Set all control parameters and then operate.
cn
t.
-l
up
ww
t.
-l
ww
n
.c
cn
Complete the basic commissioning as follows before actual utilization:
ft
ww
cn
if
-l
up w.
w.
if
2.1.5 Basic commissioning
w
ww
cn
t.
-l
up
w.
ww
up
t.
-l
cn
if
9. Check that there are no screws, cables and other conductive items left in the controller. If not, get them out.
w.
ww
ww
up
t.
-l
cn
8. Check that the external connection terminals are tightly fastened and the torque is appropriate.
up
if t. cn
up -l
pl
ww w.
c
w. ww
if t.
w. u
pl
pl
w. u ww
w. u ww
n
t. c t.
ww
cn
if
-l
cn t.
-l
w.
if
up
w.
up
ww
cn
t.
if
t.
-l
if
up
-l
up
w.
ww
cn t.
ww
cn
t.
if
-l
w.
ww
cn
if
w
ww
cn
t.
if
up
w.
ww
t.
if -l
-l
w.
up
ww
cn
t.
-l
up
w.
ww
cn
t.
if
up
7
cn
ww
-l
w.
if
up
t.
-l
cn
if
up w. if
-l
up
w.
cn
-l
up w. ww
ww
n t. c
if
up -l ww
cn
t.
if
-l
ww
t. if
-l
up
w.
ww
cn t. if
n
t. c
if
w.
cn
t.
if
up cn
t. if
-l
up w.
ww .c
0. 5Hz/150% ( SVC) 150% of rated current: 1 minute 180% of rated current: 10 seconds 200% of rated current: 1 second 7 common inputs, the Max. frequency: 1kHz 1 Y1 terminal output; 2 programmable relay outputs Protocol: extension frame, communication baud rate 40K 12V encoder, support OC input, the Max. frequency: 10kHz 2 programmable relay outputs RO1A NO, RO1B NC, RO1C common terminal RO2A NO, RO2B NC, RO2C common terminal Contact capacity: 3A/AC250V Wall and rail mountable Embedded Optional filter: meet the degree requirement of IEC61800-3 C2, IEC61800-3 C3
w. ww
cn
t. if
-l up w.
ww n
EMI filter
ft
cn
if t.
pl ww
cn
t.
if
-l
up w.
ww cn
t. if -l
up
w.
cn li p-
10%
Relay output
Mountable method Braking unit
t. if .u
pl
cn
-l
up
w.
ww
cn t. if -l
up
Encoder port
ww n
.c
±0.2% (SVC)
± 0.3% ( SVC) CLOSE. After autotuning, door width pulse number will be restored in P20.07 and P20.08. Note: Select appropriate speed for door width autotuning, too large easy strike, too small lack of force. Meanwhile, setting proper arrival torque detection (P18.14) can ensure the force is suitable for normal operation of the elevator door and avoid it is too large to detect arrival.
up -l
1) 2) 3)
if t.
-
ww
if t. c
EC20 elevator door controller
up
pl
pl
w. u ww
n
t. c
w. u
ww
n t. c if
up -l
if t.
pl
w. u
ww
n
t. c
if
P19.14
if
cn
up
ww
-l
w.
if
up
t.
-l
w.
if
up
t.
-l
cn
if
up
w.
ww
cn
t.
t.
ww
cn
if
-l
t.
ww
cn
cn
t.
w.
up
ww
-l
w.
if
up
ww
-l
w.
if
up
t.
-l
cn
if
up
cn
t.
if
-l
w.
ww
cn
t.
if
w.
ww
cn
-l
up
-l
.c
ww
n
w.
6.4 Distance control mode 2
-l
-l
up
w.
ww
t.
if
up
w.
ww
cn
t.
if
up
w.
ww
cn
t.
if
-l
w.
ww
n
if
-l
w.
cn
up
ww
-l
w.
if
up
t.
-l
w.
if
up
t.
-l
cn
if
t.
ww
cn
li
ft
Figure 6-7 CLOSE operation curve in distance control mode 1 Instruction of CLOSE process in distance control mode 1: 1) When CLOSE command is valid, the elevator door runs at the set speed P19.00 and the ACC time is P19.01; 2) When door position pulse number is smaller than P20.15, shift to the set speed P19.02 and the ACC time is P19.03; 3) When door position pulse number is smaller than P20.16, shift to the set speed P19.04 and the ACC time is P19.05; 4) When door position pulse number is smaller than P20.17, shift to the set speed P19.06 and the ACC time is P19.07; 5) When door position pulse number is smaller than P20.18, shift to the set speed P19.08 and the ACC time is P19.09; 6) When door position pulse number is smaller than P20.09, shift to the set speed P19.10 and the ACC time is P00.08; 7) When CLOSE arrival wait time P19.10 reaches, shift to the stage of torque hold. The set speed is P19.13 and the torque hold is P19.14.
cn t. if
w.
up
-l
if
up
w. ww
cn t. if
.u
p-
li
ft
The distance control mode needs to install the encoder on the elevator door and the controller
56
w
up ww cn
P20.09
t.
P20.18
ww
cn
Time
t.
-l
P19.13
P00.08
w. ww cn P20.17
up
CLOSE hold torque
P19.11
w.
P20.16
P19.10
P19.08
t. if -l
P20.15
ww
.c
P20.14
CLOSE hold wait time
P00.08
ww cn
t. if -l
up w.
n
if
p-
.u
w. u
cn t. if
-l up w.
ww
t.
Door position
0%
ww
.c
ww
n t. c
if
-l
up
w.
ww cn
100%
pl
w. u
n
t. c
up -l w.
ww
P19.01
P19.06
P19.09
P19.00
OPEN limit signal
ft
P19.07
P19.02
P19.03
CLOSE command CLOSE limit signal
P19.04
P19.05
if
w. u
pl
Frequency
ww
if
6.3.5 CLOSE operation curve in distance control mode 1
c
up -l
ww w.
ww
cn
if t.
pl
w. u
t. c
ww
n
7)
pl
ww w.
6)
up
if t. cn
if t. cn
w.
Commissioning instruction
When door position pulse number is larger than P20.13, shift to the set speed P18.08 and the ACC time is P18.09; When door position pulse number is larger than P20.14, shift to the set speed P18.10 and the ACC time is P00.08; When OPEN arrival wait time P18.10 reaches, shift to the stage of torque hold. The set speed is P18.12 and the torque hold is P18.13.
up -l
5)
if t.
-
ww
if t. c
EC20 elevator door controller
up
if t.
-
pl w. u ww
n t. c t.
cn
if
t.
-l
if -l up ww
cn t. cn
-l
cn
w.
if
up
t.
if
w
t.
if -l
w. ww
cn
if
-l
up
w.
-l up w.
ww
cn
if
up
t.
up
6.4.3 Door width autotuning
t.
-l up w. ww
cn
t.
Common terminal
-l
ww
w.
if -l up
RO2B RO2C
w.
Common terminal
CLOSE arrival output
cn
if
up w.
t.
up w.
RO2A
ww
cn
if -l
ww
-l
cn
OPEN arrival output
RO1B
Figure 6-8 Wiring instruction in distance control mode 2
w.
pl
w. u ww
n t. c up ww
cn t. if
RO1A
RO1C
The same as distance control mode 1
if t.
pl
w. u
ww
n
t. c if w.
ww
cn t. if
CME
-l cn
Shielded layer grounding
Fault output
Y1
ww
cn t. if
PGB
Input ground
up
w.
ww
.c
-l
up -l
w.
t. if -l
up w. ww
n
S2
ft li
ww
cn
if -l
up w. ww
cn
t.
if
Encoder
PGA COM
S1
CLOSE command
IM
PE
Control system
p-
W
+12V
6.4.2 Encoder setting
ww
V
pl
w. u
ww
n t. c
up -l w.
ww
EC20 elevator door controller
COM
OPEN command
U
if
w. u
n
if
t. c
pl
w. u
N
ww
if
L
Control system
.u
pl
t. c
ww
n
6.4.1 Wiring instruction in distance control mode 2 AC 220V
up -l
ww w.
ww
cn
if t.
w. u
pl
ww w.
up -l
judges door position by encoder counting. At first operation, the mode needs autotuning door width pulse number and realizes deceleration and arrival processing at decelerating point by setting the parameters of OPEN/CLOSE curve. The distance control mode 2 does not need to install OPEN/CLOSE limit switch and autotunes door width pulse number between OPEN and CLOSE arrival at door width autotuning.
c
if t. cn
w.
Commissioning instruction
if t. cn
ww
if t. c
EC20 elevator door controller
t.
cn t. if
cn
if -l up
w.
ww
cn
t.
-l
if
w.
up
57
t.
-l
up w.
ww
t.
if -l
up
if
up
w.
cn
Setting value
1: SVC 2: SVPWM (set freely) 0: Distance control mode 2
w. ww
cn t.
ww
cn
t.
-l
up
w.
ww
n
OPEN/CLOSE control mode
if
p.u
Name
Control mode
li
ft
up
P00.01
if
up
P00.00
.c
-l
if
t.
ww
cn
w.
Function code
ww
t.
if
-l
w.
ww
n
6.4.4 Function parameters setting
ft
.c
up
ww
-l
Distance control mode 2 also needs to autotune door width at first. The limit switches are not installed, the arrival is based on detecting arrival torque, so ensure there are no obstacles during door width autotuning. Except that, mode 2 is the same with mode 1.
up
if t. cn pl ww
n
w. u
Time
ww cn
if
t.
cn
if
-l
up
-l
w.
w.
up
ww
ww
ww
cn
t.
cn
if
t.
-l
t.
-l
if
up
-l
w. w.
up
ww ww
cn cn t. if
cn
if
up
w. ww t. if -l
up
w.
t.
-l
up
w.
ww
cn
t.
if
-l
up
cn t. if
-l up w.
ww
if
up
w.
cn
t.
if
w.
ww
cn t. if
-l up w.
ww cn
-l
up
w.
ww
cn
t.
if -l up
w. ww n t. if
cn
t.
if
-l
up
w.
ww
cn
t.
if
-l
up w. ww .c
ft li
ww
cn
if
-l
up
w.
ww
cn
t.
if
-l
up
w.
ww
cn t. if p-
t.
-l
up
w.
ww
cn
t.
if
-l
up
w. n
.c
ft
-l
up .u
58
w
ww
P20.14
-l
w.
up
t.
-l
cn
if
t. c
up -l w.
pl
w. u
ww
t. c if
if t.
w. u
n
P18.12
P00.08
c
pl
ww w. ww
t. c if pl P20.13
t.
if
up
w.
ww
n
.c
ft li
p-
.u
P20.12
cn
P20.11
P18.13
P18.11 P00.08
ww
t. P20.10
-l
ww
P20.09
OPEN hold torque
Figure 6-9 OPEN operation curve in distance control mode 2 Instruction of OPEN process in distance control mode 2: 1) When OPEN command is valid, the elevator door runs at the set speed P18.00 and the ACC time is P18.01; 2) When door position pulse number is larger than P20.10, shift to the set speed P18.02 and the ACC time is P18.03; 3) When door position pulse number is larger than P20.11, shift to the set speed P18.04 and the ACC time is P18.05; 4) When door position pulse number is larger than P20.12, shift to the set speed P18.06 and the ACC time is P18.07; 5) When door position pulse number is larger than P20.13, shift to the set speed P18.08 and the ACC time is P18.09; 6) When door position pulse number is larger than P20.14, shift to the set speed P18.10 and the ACC time is P00.08; 7) When OPEN arrival wait time P18.10 reaches, shift to the stage of torque hold. The set speed is P18.12 and the torque hold is P18.13.
cn
t.
if
w.
0%
if
w. u cn
if -l
up
ww
Door position
P18.10
P18.08
P18.09
ww
n t. c
up -l w.
100%
ww
pl
w. u ww
n
t. c
if
OPEN command
OPEN hold wait time
P18.06
n
if t.
w. u ww
n t. c if
pl
w. u
P18.00
P18.01
P18.07
P18.02
P18.03
cn
pl
ww w.
P18.04
P18.05
up -l
ww
1: Terminal control mode (LED flickering)
6.4.5 OPEN operation curve in distance control mode 2 Frequency
Commissioning instruction
w.
if t. cn
Elevator door control mode
up -l
P00.02
if t.
-
ww
if t. c
EC20 elevator door controller
up
if t.
ww w.
c
pl
if t.
w. u
ww
n
w. u
t. c
ww
t.
-l
cn
if
t. c
ww
n
w. u
t. c
if
up
P20.09
cn
t.
-l
up
w.
ww
cn
t.
t.
ww
cn
if
-l
up
t.
-l
cn
if
up
w. ww
cn
t.
if
-l
up
w.
ww
cn
t.
if
-l
up
w.
ww
cn t.
if
-l
up
w.
ww
cn
t.
if
-l
up
w.
ww
cn
t.
if
-l
up
up
w.
ww
cn
t.
if
-l
up
w.
ww
cn
t.
if
-l
up
-l
w.
ww
cn
-l
up
w.
ww
cn
t.
if
w.
ww
cn t. if
cn
t.
if
-l
up
w.
ww
t.
if
-l
up
w.
if
up
w.
ww
cn
if
-l
up
w.
ww
-l
w.
cn
t.
-l
up
w.
ww
cn t. if
ww
t.
if
up
w.
ww
n
.c
ft
li p-
cn
if
-l
w.
ww
cn
t.
if
.u
59
w
if up -l w.
pl
n
if
Time
ww
if t. ww
P20.18
t.
if
up
w.
ww
n
.c
-l
up
w. n
.c
P19.13
P00.08
CLOSE obstruction refers to the following several states during CLOSE operation. For example, if light screen (elevator safety protection device)/touch board signal is valid and the output torque is larger than CLOSE obstruction torque, EC20 controller will re-open the door after CLOSE obstruction. There are many ways to judge CLOSE obstruction, such as time, torque and slip (distance control mode), shown as follows: Current detection: by contrast of OPEN/CLOSE torque current and obstruction torque; Slip detection: slip during OPEN/CLOSE operation (only valid in distance control mode) Time detection: valid time of OPEN/CLOSE signal; Safety sensor detection: detect whether there is any obstacles by sensor
-l
ft
P19.14
P19.11 P00.08
pl w. u
cn
if
-l
w.
ww
cn
ft li
p-
.u
ww
P20.17
t.
P20.16
CLOSE hold torque
Figure 6-10 CLOSE operation curve in distance control mode 2 Instruction of CLOSE process in distance control mode 2: 1) When CLOSE command is valid, the elevator door runs at the set speed P19.00 and the ACC time is P19.01; 2) When door position pulse number is smaller than P20.15, shift to the set speed P19.02 and the ACC time is P19.03; 3) When door position pulse number is smaller than P20.16, shift to the set speed P19.04 and the ACC time is P19.05; 4) When door position pulse number is smaller than P20.17, shift to the set speed P19.06 and the ACC time is P19.07; 5) When door position pulse number is smaller than P20.18, shift to the set speed P19.08 and the ACC time is P19.09; 6) When door position pulse number is smaller than P20.09, shift to the set speed P19.10 and the ACC time is P00.08; 7) When CLOSE arrival wait time P19.10 reaches, shift to the stage of torque hold. The set speed is P19.13 and the torque hold is P19.14.
6.5 CLOSE obstruction
up
P19.10
P19.08
P19.09
ww
n t. c if
-l
P20.15
up
P20.14
P19.06
pl w. u
ww
t. c if
w.
ww
0%
CLOSE hold wait time
cn
pl
ww
n
if
up -l
100%
t.
w. u
n t. c
P19.01
P19.07
P19.02
CLOSE command
pl
w. u
P19.00
Door position
if
P19.04
P19.05
P19.03
ww
up -l
ww w.
Frequency
if t. cn
up -l
if t. cn
w.
Commissioning instruction
6.4.6 CLOSE operation curve in distance control mode 2
pl
ww
if t. c
EC20 elevator door controller
up
if t. cn
up -l
c
w. u
ww
pl
if t.
w. u
pl
ww w.
n t. c
w.
w. u ww
if
t. c
up -l
n
if
t. c
ww
n
Time
pl
ww cn
if
w. u
if
t. c
ww
n
if
up -l
pl
t. c
ww
w. u
pl
w. u ww n
if t.
pl
ww w. n t. c if
pl
Normal CLOSE
w.
OPEN arrival hold time (P21.00)
OPEN arrival hold
CLOSE obstruction sign
Re-OPEN
Abnormal DEC
Normal CLOSE
w. u
Abnormal DEC time (P19.31)
CLOSE command
Commissioning instruction
w.
if t. cn
up -l
6.5.1 CLOSE obstruction process Frequency
if t.
-
ww
if t. c
EC20 elevator door controller
ww
cn
cn
t.
cn
if
up w.
if
-l
up
-l
w.
up
w.
ww
cn
t.
cn
if
t.
-l
if
up
-l
w.
w.
up
ww
ww
cn
cn t. if
w
ww
cn
t.
if
-l
up
w.
ww
t.
-l
if
w.
up
60
t.
-l
ww
cn
t.
if
-l
up
cn
t.
if
-l
up w. ww
up
w.
ww
cn
t.
if
w.
ww
cn
t.
if
-l
up
w.
ww
cn
-l
up
w.
ww
cn
t.
if
-l
up
w.
ww
n
t. if
cn
t.
-l
up
w.
ww
cn
t.
if
-l
up
w.
ww
.c
ft
ww
cn
if
up
w.
ww
cn
t.
if
-l
up
w.
ww
cn
t.
li p.u
if
-l
w.
ww
cn
t.
if
-l
up
w. n
if
-l
up
t.
-l
up
ww
n
.c
ft li
p-
.u
ww
.c
if
-l
w.
ww
cn
t.
w.
1. Encoder offline fault (ENC1O): if the distance control mode 1 and 2 start, alarm “ENC1O”. Check whether the cables of the encoder are connected, including encoder voltage signal, A and B pulse signals. 2. Encoder reverse fault (ENC1D): if the distance control mode 1 and 2 start, alarm “ENC1D”. Check whether the A and B signal cables are connected properly and ensure the A and B signals of the encoder are connected to the A and B signals of the controller. 3. At CLOSE operation, the elevator door has crashes. Adjust the operation curves of the elevator door, reduce CLOSE speed, P19.06 and P19.08. 4. Too large CLOSE obstruction torque (when obstructed, the thrust of the elevator door is so large that passengers may be easily nipped by the door). In speed control mode, suggest judging CLOSE obstruction by torque obstruction. When the obstruction torque is too large, adjust CLOSE obstruction torque and CLOSE obstruction judgment time and reduce P19.15 and P19.16. 5. At CLOSE, the elevator door closes and then open: CLOSE obstruction misjudgment, increase time and judgment coefficient (torque obstruction: P19.15, P19.16; slip obstruction: P19.20, P19.21, P19.22, P19.23; current obstruction: P19.24, P19.25, P19.26, P19.27, P19.28) 6. The elevator door cannot open or close smoothly: the operation curves are set improperly. OPEN stuck: adjust P18.00, P18.02, P18.04, P18.06, P18.08 and set speed continuously, neither too high nor too low. CLOSE stuck: adjust P19.00, P19.02, P19.04, P19.06, P19.08 and set speed continuously, neither too high nor too low. 7. There is gap after CLOSE arrival: increase P19.14 and arrival hold torque.
cn
t.
if
if
6.5.2 Common commissioning problems
ft
t.
-l
up
ww
t.
up
ww
-l
w.
if
up
ww
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cn
Figure 6-11 CLOSE obstruction Note: In speed control mode, when CLOSE limit signal is valid, there will be no CLOSE obstruction detection; in distance control mode, when the door position is larger than CLOSE arrival position, there will be no CLOSE obstruction detection.
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The chapter contains preventive maintenance instructions of the controller. 7.1.1 Maintenance intervals
Fault
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7.1 Fault prevention
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Visual examination
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Tighten up
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The characters are displayed normally.
Visual examination
Visual examination
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Measure with multimeter
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Ensure there is no dust or dirtiness
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Ensure the main circuit and control circuit are normal.
Ensure there is no distortion, crackles, damage or color-changing caused by Visual examination overheat and aging to the For public machine. use
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There are no tools or dangerous objects.
Ensure the characters are displayed totally.
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Main circuit
Conforming to the manual
Ensure there are no tools or other foreign or dangerous Visual examination objects.
Ensure the display is clear enough.
Keypad
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Criterion
Check the ambient temperature, humidity and Visual examination vibration and ensure there is and instrument test no dust, gas, oil fog or water Ambient environment drop.
Voltage
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Method
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Checking
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If installed in an appropriate environment, the controller requires very little maintenance. The table lists the routine maintenance intervals recommended by INVT. For more information about maintenance, please contact with us.
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The resistance is in ±10% of the standard value
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Visual examination or remove one end to coagulate or measure with multimeter
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Smelling and visual examination
Hearing, smelling Transformer Ensure there is no abnormal and visual and reactor vibration, noise or smelling examination Electro- Ensure whether there is magnetic vibration noise in the contactor workrooms.
The capacity is above or equal to the original value *0.85.
Measure the capacity by instrument
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Ensure whether there is replacement and splitting caused by overheat.
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If necessary, measure the electrostatic capacity.
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Resistors
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Ensure that there is no leakage, color-changing, crackles or casing expansion.
Fault
Criterion
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Ensure that there are no crackles or color-changing to Visual examination the protective layers.
Terminals Ensure that there is no seat damage.
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Visual examination
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Ensure that there is no distortion or color-changing caused by overheat to the conductors.
Lead of conductors
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Visual examination
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Visual examination or estimate the life time according to the NA maintenance information
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Ensure whether there is no Ventilating stuff or foreign objects in duct cooling fan, air inlet and air vent.
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Estimate there is no loose screws.
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Estimate whether there is abnormal noise and vibration.
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Smelling and visual examination
Ensure there is no leakage or distortion to the capacitors.
Cooling fan
Cooling system
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Ensure there are no PCB and crackles, damage, distortion Visual examination plug or rust.
Control circuit
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Read and follow the instructions in chapter Safety Precautions. Ignoring the instructions would cause physical injury or death, or damage to the
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The controller’s cooling fan has a minimum life span of 25,000 operating hours. The actual life span depends on the controller usage and ambient temperature. The operating hours can be found through P07.14. Fan failure can be predicted by the increasing noise from the fan bearings. If the controller is operated in a critical part of a process, fan replacement is recommended once these symptoms appear. Spare fans are also available.
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Ensure there are no loose screws or contactors.
Ensure there is no smelling or color-changing.
7.1.2 Cooling fan
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and relay Ensure the contact is in good Visual examination connection.
Fault
Criterion
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7.1.3 Capacitors
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1. Stop the controller and disconnect it from the AC power source and wait for at least the time designated on the controller. 2. Loosen the fan cable from the clip. 3. Disconnect the fan cable. 4. Remove the fan with screwdriver. 5. Install the new fan in the controller, put the fan cables in the clip and then fix the controller well. 6. Connect the power supply.
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Use voltage-adjusting power supply to charge the controller • charging 25% rated voltage for 2 hours • charging 50% rated voltage for 2 hours • charging 75% rated voltage for 2 hours • charging 100% rated voltage for 2 hours
Storing time more than 3 years
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Use voltage-adjusting power supply to charge the controller • charging 25% rated voltage for 30 minutes • charging 50% rated voltage for 30 minutes • charging 75% rated voltage for 30 minutes • charging 100% rated voltage for 30 minutes
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Connect with the power for 1 hour before first ON command
Storing time 2-3 years
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Read and follow the instructions in chapter Safety Precautions.
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Change electrolytic capacitors
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Use voltage-adjusting power supply to charge the controller: The right selection of the voltage-adjusting power supply depends on the supply power of the controller. The single-phase 220V AC/2A voltage regulator is applied to single/three-phase 220V AC controller. The single/three-phase controller can apply single-phase voltage-adjusting power supply for charging. All DC bus capacitors can charge at the same time because there is one rectifier. High-voltage controller needs enough voltage during charging. The small capacitor power (2A is enough) can be used because the capacitor nearly does not need current when charging.
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Storing time 1-2 years
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Operation without charging
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Time
Storing time less than 1 year
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Capacitors reforming The DC bus capacitors must be reformed according to the operation instruction if the controller has been stored for a long time. The storing time is counted from the delivery date.
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Fault
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Read and follow the instructions in chapter Safety Precautions. Ignoring the instructions would cause physical injury or death, or damage to the equipment.
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7.2.3 Fault instruction and solution
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The controller can be reset by pressing the keypad key STOP/RST, through digital input, or by switching the power light. When the fault has been removed, the motor can be restarted.
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Do as the following after the controller fault: 1. Check to ensure there is nothing wrong with the keypad. If not, please contact with the local INVT office. 2. If there is nothing wrong, please check P07 and ensure the corresponding recorded fault parameters to confirm the real state when the current fault occurs by all parameters. 3. See the following table for detailed solution and check the corresponding abnormal state. 4. Eliminate the fault and ask for relative help. 5. Check to eliminate the fault and carry out fault reset to run the controller.
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7.2.2 Fault reset
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Fault is indicated by LEDs. See Operation procedure. When TRIP light is on, an alarm or fault message on the keypad display indicates abnormal controller state. P07.27~P07.32 record current 6 times fault types. P07.33~P07.40, P07.41~P07.48 and P07.49~P07.56 record the operation data of the controller for current 3 times at fault. Using the information given in this chapter, most alarm and fault cause can be identified and corrected. If not, contact with the INVT office.
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Only qualified electricians are allowed to maintain the inverter. Read the safety instructions in Safety precautions before working on the inverter.
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1. Stop the drive and disconnect it from the power line. Wait for at least the time designated on the controller. 2. Check the tightness of the power cable connections. 3. Connect the power supply.
7.2 Troubleshooting
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7.1.4 Power cable
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Change electrolytic capacitors if the working hours of electrolytic capacitors in the controller are above 35,000. Please contact with the local offices or dial our national service hotline (400-700-9997) for detailed operation.
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Ignoring the instructions would cause physical injury or death, or damage to the equipment.
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1. Check the input power of the supply line. 2. Check the setting of relative
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Increase ACC time; Change the power unit; Check the driving wires; Check if there is strong interference to the external equipment
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Constant overcurrent
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Decelerating overcurrent
1. The voltage of the power Bus undervoltage supply is too low. fault 2. The overvoltage stall
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1. Increase the ACC/DEC time 2. Check the input power 3. Select the controller with a larger power 4. Check if the load is short circuited (the grounding short circuited or the wire short circuited) or the rotation is not smooth. 5. Check the output configuration. 6. Check if there is strong interference. 7. Check the setting of relative function codes.
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1. The acceleration or deceleration is too fast. 2. The voltage of the grid is too low. 3. The power of the inverter is too low. 4. The load transients or is abnormal. 5. The grounding is short circuited or the output is phase loss. 6. There is strong external interference. 7. The overvoltage stall protection is not open.
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Accelerating overcurrent
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The acceleration is too fast; There is damage to the internal to IGBT of the phase; Interference causes faulty action; The connection of the driving wires is not good; The grounding is not good
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Fault
Solution
1. Check the input power 2. Check if the DEC time of the load is too short or the inverter 1. The input voltage is starts during the rotation of the abnormal. motor or it needs to increase the 2. There is large energy energy consumption feedback. components. 3. No braking components. 3. Install the braking 4. Braking energy is not open components. 4. Check the setting of relative function codes.
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The connection of the control Check the connector and 67
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Set proper baud rate; Check the communication connection distribution; Set proper communication address; Change or replace the connection distribution or improve the anti-interference capability
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Current detection
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Check the external device input
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Increase the ACC time; Avoid the restarting after stopping; Check the power of the supply line; Select an inverter with bigger power; Select a proper motor
U, V, W phase loss output (or Check the output distribution; three phases of the load are Check the motor and cable seriously asymmetrical)
The baud rate setting is incorrect; Fault occurs to the 485 communication communication wiring; fault The communication address is wrong; There is strong interference to the communication
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Check the power of the supply line; Reset the rated current of the motor Check the load and adjust the torque lift
Check input power; Check installation distribution
SI external fault input terminals action
External fault
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function codes.
Large fluctuation
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Fault
Solution
Rectifying module Air duct jam or fan damage; overheat Ambient temperature is too Dredge the air duct or change high; the fan; Converter module The time of overload running Low the ambient temperature overheat is too long
OH2
ft
if t.
w. u
ww n
t. if -l
w. ww
Output phase loss
cn
SPO
OH1
-l
The acceleration is too fast; Reset the rotating motor; The voltage of the power supply is too low; The load is too heavy; The motor power is much larger than load power
t. c if
-l up
ww
Input phase loss
ItE
pl
w. u
ww n
t. c if
up -l w.
Inverter overload
SPI
CE
The voltage of the power supply is too low; The setting of motor rated current is incorrect; The motor stall or load transients is too strong
pl
ww w. t. c if
pl
w. u
OL2
Cause
protection is not open.
Motor overload
n
OL1
up
if t. cn
Fault
up -l
Code
if t.
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if t. c
EC20 elevator door controller
up -l
if t. cn
up ww
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t.
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up
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cn
if
up
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c
if t.
pl ww
n
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w.
if
t. c
up -l
if
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w. u
t. c
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n
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pl
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cn
if
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up
t.
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up
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t.
if
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up
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t.
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up
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cn
w.
if
pl ww
t.
if
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up
w. ww
w. w
cn
t.
if
t.
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t.
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cn
w.
up
ww
-l
w.
if
up
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cn
t.
if
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cn
if
up
w.
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cn
t.
if
-l
up
w.
ww
cn t. if
w.
up
68
-l
w.
if
up
The connection of the keypad Check the environment and
ww
cn
-l
w.
cn
t.
if
-l
up
w.
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n
t. if
t.
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up
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cn
t.
if
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up
w.
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.c
li
ft
Parameters
Check the keypad wires and ensure whether there is mistake; Check the environment and avoid the interference source; Change the hardware and ask for service
cn
w.
if
up
t.
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cn
if
-l
w.
ww
cn
t.
if
-l
up w. cn t.
cn
t.
if
-l
up
w. ww
cn t. if
-l
up ww
The connection of the keypad wires is not good or broken; The keypad wire is too long Keypad and affected by strong communication fault interference; There is circuit fault on the communication of the keypad and main board
UPE
p-
w. u
cn t. if
-l up
w.
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n .c
ft li
The actual running time of the Ask for the supplier and adjust Running time arrival inverter is above the internal the setting running time setting running time
w. n
if
Press STOP/RST to reset; Change the main control board
The inverter will report Check the load and the Electrical overload overload pre-alarm according overload pre-alarm point to the set value
PCE
.u
Change the inverter model; Set the rated parameter according to the motor name plate; Empty the motor load and reidentify; Check the motor connection and set the parameter; Check if the upper limit frequency is above 2/3 of the rated frequency
Braking circuit fault or Check the braking unit and damage to the braking pipes; change new braking pipes; The external braking resistor Increase the braking resistor is not sufficient
Braking unit fault
OL3
ww
.c
ft
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n
t. c
if -l
up w. ww
cn
t.
if
p-
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END
-l
if t.
w. u
ww
n t. c if
up -l w.
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Error of controlling the write EEPROM operation and read of the parameters; fault Damage to EEPROM
EEP
Fault
Solution
repatch; Change the Hoare; Change the main control board
The motor capacity does not comply with the inverter capacity; The rated parameter of the motor does not set correctly; The offset between the parameters from autotune and the standard parameter is huge; Autotune overtime
Motor autotuning fault
bcE
up
board is not good; Hoare component is broken; The modifying circuit is abnormal
pl
w. u ww
n t. c if
pl
w. u
tE
Cause
pl
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fault
w.
if t. cn
Fault
up -l
Code
if t.
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if t. c
EC20 elevator door controller
w. u
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c
w. u
pl
pl
if t.
pl
w. u
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n
t. c
t.
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cn
if
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cn
if
t.
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w.
up
w.
t.
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cn
w
ww
cn
t.
if
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up
t.
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cn
if
up
cn
if
up
t.
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w.
if
Check the wiring of the encoder and reconnect; Check encoder output
ww
cn
t.
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if
up
w.
t.
cn
if -l
up
w.
ww
cn
Check the load and ensure it is normal;
t.
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up
w. 69
-l
w.
t.
if
up
w.
The load is too heavy or stalled
ww
ww
cn
if
Encoder is not connected or Check the wiring of the encoder damaged or inverter wiring is and reconnect wrong
-l
up
ww
t.
if
w.
ww
cn
t.
if
Encoder signal cable offline; Encoder damage
ww
cn
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up
w.
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cn
t.
if
-l
w.
ww
n
t. if
up
cn
ww
-l
w.
if
up
t.
-l
cn
if
up
w.
ww
cn
t.
if
-l
up
w.
ww
cn
t.
if
-l
up w.
ww .c ft
Check if the connection of the motor is normal or not; Change the Hoare; Change the main control board
-l
up
w.
cn
t.
if
-l
up
w.
ww
cn
t. up w.
Encoder reverse fault
li p-
ww
cn
t.
if
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up
w.
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Check if the connection of the motor is normal or not; Change the Hoare; Change the main control board
if -l up ww cn
t. if
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n
t. c
if
up -l
w.
ww
cn
t.
if
-l
up
w.
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n
.c ft li
w. n
.c
ft
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up
Check the connection; Draw out the corresponding resistor; Set the same baud rate; Check the environment and avoid the interference
The output of the inverter is short circuited with the Grounding ground; shortcircuit fault 2 There is fault in the current detection circuit
Speed deviation fault
dEu
Check the environment and eliminate interference source; Change the hardware and ask for service; Repack up the data in the keypad
The output of the inverter is short circuited with the Grounding ground; shortcircuit fault 1 There is fault in the current detection circuit
ENC1O Encoder offline fault
ENC1D
up -l
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n
t. c
if
pl
w. u
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t. c
if
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t.
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p-
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ETH2
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up ww
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t. c up
The connection is not good; Corresponding resistor is not dialed; CANopen E-CAN The communication baud rate communication fault is uneven; The ambient interference is too strong
ETH1
Fault
Solution
eliminate interference source; Change the hardware and ask for service; Change the hardware and ask for service;
The connection of the keypad wires is not good or broken; The keypad wire is too long Parameters and affected by strong downloading fault interference; There is mistake on the data storage of the keypad
if
up -l w.
ww
wires is not good or broken; The keypad wire is too long and affected by strong interference; Communication fault
pl
w. u ww
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pl
w. u
DNE
Cause
pl
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uploading fault
w.
if t. cn
Fault
up -l
Code
if t.
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if t. c
EC20 elevator door controller
c
pl
pl
w. u
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w. u
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n
t. c
if
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t.
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if
t.
cn
if -l up
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t.
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t.
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up
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cn t.
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w.
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up
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cn
if
up t. if -l
up
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if t.
pl
w. u
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t. c
up
w. if cn t. if -l
up w. ww
up -l
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t. c
if
up -l ww
cn t. w. ww
cn t. if
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cn t. if
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if t. cn
up w. ww
cn w.
cn
if -l ww
cn t. if
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70
Solution
Check the environment of the power supply
t.
if up w. ww
cn t. if
-l up w.
Check the load and the underload pre-alarm point
ww
cn t. if
-l up w.
ww
cn t. if -l
up ww cn t. li p-
Check the load and ensure it is normal; Check whether the control parameter is set properly or not; Increase the maladjustment detection time
if
w. u
ww
cn -l
up
w. ww
n .c ft li w. n if .u
Cause
Fault
Solution
Increase the detection time; Check whether the control parameters are normal
The system is power-off or the bus voltage is too low
w.
ww
cn
t.
p-
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ft
.c
pl
ww
n
t.
if -l
PoFF
up
Fault
System power failure
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pl
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t. c
if
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up w.
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Code
ww
if t.
w. u
pl
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t. c
if up -l w.
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7.2.5 Other faults
if
The inverter will report the underload pre-alarm according to the set value
Electronic underload fault
LL
up
Cause
The control parameter of the synchronous motor is not set right; Maladjustment fault The autotuning parameter is not correct; The inverter is not connected to the motor
n t. c if
STo
pl
w. u
if t. cn
Fault
up -l
Code
if t.
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ww
if t. c
EC20 elevator door controller
up -l
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if
up -l
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pl
up ww w.
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t.
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up
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pl
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t. c
up -l
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pl
w. u
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t. c
if
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Controller sizing is based on the rated motor current and power. To achieve the rated motor power given in the table, the rated current of the controller must be higher than or equal to the rated motor current. Also the rated power of the controller must be higher than or equal to the rated motor power. The power ratings are the same regardless of the supply voltage within one voltage range. Note: 1. The maximum allowed motor shaft power is limited to 1.5*PN. If the limit is exceeded, motor torque and current are automatically restricted. The function protects the input bridge of the drive against overload. 2. The ratings apply at ambient temperature of 40°C. 3. It is important to check that in common DC systems the power flowing through the common DC connection does not exceed PN. A.1.2 Derating
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up
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if
up
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t.
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if
t.
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t.
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if
up
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cn t.
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if
up w. ww
t. if -l
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if -l up
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A.1.2.2 Altitude derating
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In the temperature range +40°C…+50°C, the rated output current is decreased by 1% for every additional 1°C. Refer to the below list for the actual derating.
t.
p-
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cn
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up
w.
ft
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n
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t.
The load capacity decreases if the installation site ambient temperature exceeds 40°C, the altitude exceeds 1000 meters or the switching frequency is changed from 4kHz to 8, 12 or 15kHz. A.1.2.1 Temperature derating
w.
t.
cn t. if
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up
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up
w. 71
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p-
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The device can output rated power if the installation site below 1000m. The output power decreases if the altitude exceeds 1000 meters. Below is the detailed decreasing range of the derating:
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A.1.1 Capacity
Technical data
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if t. cn
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Appendix A Technical data A.1 Ratings
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EC20 elevator door controller
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pl w. u
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A.2.1 CE marking
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Technical data
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EC20 elevator door controller
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EMC product standard (EN 61800-3:2004) contains the EMC requirements to the controller. First environment: domestic environment (includes establishments connected to a low-voltage network which supplies buildings used for domestic purposes). Second environment includes establishments connected to a network not directly supplying domestic premises. Four categories of the controller: Controller of category C1: controller of rated voltage less than 1000V and used in the first environment. Controller of category C2: controller of rated voltage less than 1000V other than pins, sockets and motion devices and intended to be installed and commissioned only by a professional electrician when used in the first environment. Note: IEC/EN 61800-3 in EMC standard doesn’t limit the power distribution of the controller, but it defines the upstage, installation and commission. The professional electrician has necessary skills in installing and/or commissioning power drive systems, including their EMC aspects. Controller of category C3: controller of rated voltage less than 1000V and used in the second environment other than the first one Controller of category C4: controller of rated voltage more than 1000V or the nominal
li
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A.3 EMC regulations
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up
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The EMC Directive defines the requirements for immunity and emissions of electrical equipment used within the European Union. The EMC product standard (EN 61800-3:2004) covers requirements stated for drives. See section EMC regulations
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A.2.2 Compliance with the European EMC Directive
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The CE mark is attached to the drive to verify that the drive follows the provisions of the European Low Voltage (2006/95/EC) and EMC Directives (2004/108/EC).
if t.
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Technical data
w.
up
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EC20 elevator door controller
pl
if t.
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pl
pl
w. u
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t. c
pl
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if
t. c
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pl
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A.3.2 Category C3
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In a domestic environment, this product may cause radio inference, in which case supplementary mitigation measures may be required.
if
w. u
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if
t. c
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w. u
The emission limits are complied with the following provisions: 1. The optional EMC filter is selected according to the options and installed as specified in the EMC filter manual. 2. The motor and control cables are selected as specified in this manual. 3. The drive is installed according to the instructions given in this manual.
c
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A.3.1 Category C2
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current is above or equal to 400A and used in the complicated system in second environment
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A drive of category C3 is not intended to be used on a low-voltage public network which supplies domestic premises. Radio frequency interference is expected if the drive is used on such a network.
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The immunity performance of the drive complies with the demands of IEC/EN 61800-3, second environment. The emission limits are complied with the following provisions: 1. The optional EMC filter is selected according to the options and installed as specified in the EMC filter manual. 2. The motor and control cables are selected as specified in this manual. 3. The drive is installed according to the instructions given in this manual.
cn
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Hole drawing
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Dimension drawings
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Dimension drawings of EC20 are shown below. The dimensions are given in millimeters.
pl
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The external keypad can be mounted on the installation bracket and the bracket is optional.
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Installation dimension
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up
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74
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Installation bracket
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Overall drawing
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120.3
5
5
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Dimension drawings
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Wall mounting (unit: mm)
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Model
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Prevent from electric shock and protect the power supply and the cables system from overcurrent when 76
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Device to transfer the electronic signals
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Descriptions
Including the external keypads with and without the function of parameter copying. When the external keypad with the function of parameter copying is valid, the local keypad is off; when the external keypad without the function of parameter copying is valid, the local and external keypads are on at the same time.
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Breaker
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Cables
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External keypad
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Below is the peripheral wiring of EC20 series controllers.
Pictures
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This chapter describes how to select the options and parts of EC20 series.
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Appendix C Peripheral options and parts C.1 Peripheral wiring
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Peripheral options and parts
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EC20 elevator door controller
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Apply to severe environment and improve protective effect. Derate 10% of the machine.
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Membrane of heat releasing holes at the side
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C.3.1 Power cables
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Check that the voltage degree of the controller complies with the voltage of the supply power voltage.
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Dimension the input power and motor cables according to local regulations. Note: A separate PE conductor is required if the conductivity of the cable shield is not sufficient for the purpose.
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1~4
M4
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1~4
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EC20-0R7G-S2
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All analog control cables and the cable used for the frequency input must be shielded. The relay cable needs the cable type with braided metallic screen. Note: Run analog and digital signals in separate cables. Check the insulation of the input power cable according to local regulations before connecting to the drive. Recommended Connecting cable size (mm2) Tightening cable size (mm2) Terminal torque Model screw RST RST PB (Nm) PE P1, (+) PE UVW UVW (+), (-)
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Control the interference from the output side of the controller and please install close to the output terminals of the controller.
Output filter
C.3.2 Control cables
ft
Control the electromagnetic interference generated from the controller, please install close to the input terminal side of the controller. Shorten the DEC time. Only braking resistors are needed for EC20 controllers.
Braking resistors
C.2 Power supply
Peripheral options and parts
Descriptions
short circuits occur. (Please select the breaker with the function of reducing high order harmonic and the rated sensitive current to 1 controller should be above 30mA).
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Input filter
C.3 Cables
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Name
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Pictures
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EC20 elevator door controller
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C.4 Breaker and electromagnetic contactor
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16
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The rated working current of the contactor (A)
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C.6.1 C3 Filter type instruction
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16
Breaker (A)
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Fuse (A)
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C.6 Filters
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78
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FLT-PS2003L-C-G
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Input filter
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Model
EC20-0R4G-S2 EC20-0R7G-S2
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C3 filers are optional for EC20 series controllers. The input interference filter can decrease the interference of the controller to the surrounding equipments. Output interference filter can decrease the radio noise cause by the cables between the controller and the motor and the leakage current of the conducting wires. Our company configured some filters for the convenient of the users.
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It is necessary to install the electromagnetic contactor in the input side to control the switching on and off safety of the main circuit. It can switch off the input power supply when system faults.
EC20-0R7G-S2
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Due to the inherent operating principle and construction of circuit breakers, independent of the manufacturer, hot ionized gases may escape from the breaker enclosure in case of a short-circuit. To ensure safe use, special attention must be paid to the installation and placement of the breakers. Follow the manufacturer’s instructions.
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It is necessary to add fuse for the avoidance of overload. It is appropriate to use a breaker (MCCB) which complies with the controller power in the 3-phase AC power and input power and terminals. The capacity of the controller should be 1.5-2 times of the rated current.
EC20-0R4G-S2
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Note: 1. It is appropriate to use the recommended cable size under 40°C and rated current. The wiring distance should be no more than 100m. 2. Terminals (+) and PB connects the braking resistors. 3. Where control cables must cross power cables make sure that they are arranged at an angle as near to 90 degrees as possible. 4. Moisture inside the motor casing will reduce the insulation resistance. If moisture is suspected, dry the motor and repeat the measurement.
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Peripheral options and parts
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EC20 elevator door controller
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Connect the braking resistor or braking unit with the controller according to the diagram. Incorrect wiring may cause damage to the controller or other devices.
EC20 series controllers have internal braking units.
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Only qualified electricians are allowed to design, install, commission and operate on the controller. Follow the instructions in “warning” during working. Physical injury or death or serious property may occur. Only qualified electricians are allowed to wire. Damage to the controller or braking options and part may occur. Read carefully the instructions of braking resistors or units before connecting them with the controller. Do not connect the braking resistor with other terminals except for PB and (+). Damage to the controller or braking circuit or fire may occur.
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It is appropriate to use braking resistor or braking unit when the motor brakes sharply or the motor is driven by a high inertia load. The motor will become a generator if its actual rotating speed is higher than the corresponding speed of the reference frequency. As a result, the inertial energy of the motor and load return to the controller to charge the capacitors in the main DC circuit. When the voltage increases to the limit, damage may occur to the controller. It is necessary to apply braking unit/resistor to avoid this accident happens.
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C.7.1 Select the braking components
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FLT-L02010H-B
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FLT-PS2010H-B
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EC20-0R7G-S2
FLT-L02010H-B
Note: 1. The input EMI meet the requirement of C2 after adding input filters. 2. Above options are external, the customer should indicate when purchasing.
C.7 Braking components
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Output filter
FLT-PS2010H-B
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EC20-0R4G-S2
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Input filter
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Model
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C.6.2 C2 Filter type instruction
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Note: 1. The input EMI meet the requirement of C3 after adding input filters. 2. Above options are external, the customer should indicate when purchasing.
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Peripheral options and parts
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EC20 elevator door controller
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42
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0.11
0.48
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0.06
192
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Internal braking unit
EC20-0R7G-S2
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Braking The consumed power of the braking Min. resistor at resistor braking 100% of the resistor braking 10% braking 50% braking 80% braking (Ω)) torque (Ω)
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EC20-0R4G-S2
Peripheral options and parts
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Type of braking unit
Model
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EC20 elevator door controller
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The materials near the brake resistor must be non-flammable. The surface temperature of the resistor is high. Air flowing from the resistor is of hundreds of degrees Celsius. Protect the resistor against contact.
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Use shielded cables for braking resistor cables. Install all resistors in a place where they will cool.
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EC20
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External braking resistor
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Only external braking resistor is needed in EC20. PB and (+) are the terminals of the braking resistor.
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Increase the power of the braking resistor properly in the frequent braking situation (the frequency usage ratio is more than 10%).
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Never use a brake resistor with a resistance below the minimum value specified for the particular drive. The drive and the internal chopper are not able to handle the overcurrent caused by the low resistance.
C.7.2 Placing the brake resistor
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Note: 1. Select the resistor and power of the braking unit according to the data our company provided. 2. The braking resistor may increase the braking torque of the controller. The resistor power in the above table is designed on 100% braking torque and 10%, 50% and 80% braking usage ratio. If the users need more braking torque, the braking resistor can decrease properly and the power needs to be magnified.
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D.2 Feedback of INVT controllers manuals
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Address any inquiries about the product to your local INVT offices, quoting the type designation and serial number of the unit in question. A listing of INVT sales, support and service contacts can be found by navigating to www.invt.com.cn.
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D.1 Product and service inquiries
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Further information
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Appendix D Further information
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EC20 elevator door controller
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D.3 Document library on the internet
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Your comments on our manuals are welcome. Go to www.invt.com.cn and select Online Feedback of Contact Us.
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You can find manuals and other product documents in PDF format on the Internet. Go to www.invt.com.cn and select Service and Support of Document Download.
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