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ABB ACS880-107

ABB ACS880-107
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Fasten the front edge of the baffle to the module mounting holes using the
module mounting screws (2 × M8). Tighten to 9 N·m (6.6 lbf·ft).
Fasten the left/right sides of the baffle using M4 screws wherever possible.
(This depends on the location of the module in the cubicle.) Tighten to 1…2 N·m
(0.7 1.5 lbf·ft).
3
5
6. If the inverter control unit (A41) is powered from the faulty module, connect the
power supply wiring to another module using the extension wire set included.
7. If the Safe torque off (STO) function is in use, install the jumper wire set included
in the STO wiring in place of the missing module. (This is not needed if the module
was the last on the STO wire chain.)
8. Reinstall all shrouding removed earlier.
Note: Do not reinstall the DC fuses or busbars but store them elsewhere until the
module can be reinstalled.
9. Switch on the power to the drive.
10. Enter the number of inverter modules present into parameter 95.13 Reduced run
mode.
11. Reset all faults and start the drive.
12. If the Safe torque off (STO) function is in use, perform a validation test. See the
STO instructions.
The maximum current is now automatically limited according to the new inverter
configuration. A mismatch between the number of detected modules and the value
set in parameter 95.13 will generate a fault.
Returning the module
1. Install the module in reverse order. Use the following tightening torques:
134 Maintenance

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