Synchronizing Multiple Brake Choppers - ABB ACS880-604 Hardware Manual

1-phase brake chopper units as modules
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WARNING! An incorrect jumper setting or missing jumper may cause brake
chopper malfunctioning or damage to the chopper or resistor.

Synchronizing multiple brake choppers

When several brake choppers are in use, the first chopper in the chain acts as the master
for the other choppers. To synchronize the choppers:
1. Set the voltage selection jumper of the master to the appropriate voltage.
2. Set the voltage selection jumpers of the followers to FIBER.
1
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V23
2
V23
V22
Electrical installation 35
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V23

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