ABB ACS880-604, Руководство по оборудованию

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Brake unit control devices
Each brake chopper module employs a dedicated control unit (BCU) that contains the BCON
board with basic I/Os and slots for optional modules. A fiber optic link connects the BCU to
the brake chopper module.
￭ Overview of the control connections of the BCU control unit
The diagram shows the control connections and interfaces of the BCU control unit.
„
1
2
3
4
5
6
7
FXX
FXX
FXXX
8
CLOSE
9
10
Control panel. 7 Analog and digital I/O extension modules and
fieldbus communication modules can be inserted
into slots 1, 2 and 3. 1
2
3
Fiber optic links to power modules (inverter,
supply, brake or converter) 8 Memory unit 4
Ethernet port. Not in use. 9 Slot 4 for RDCO-0x 5
Safety option interface. Only in use for the invert-
er units. 10 Terminal blocks. 6
Operation principle and hardware description 23