BCU-x2 control unit 99
10
BCU-x2 control unit
Contents of this chapter
This chapter describes the layout and connections of the BCU-x2 control unit and contains
the specifications of the inputs and outputs of the control unit.
For the actual connections of the control units used in the ACS880-77CC converter, see
the circuit diagrams delivered with the converter.
General
BCU control unit
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The BCU control unit consists of a BCON control board (and a BIOC I/O and power supply
board) built in a metal housing. The BCU is mounted separately from the converter module(s),
and connected to the module(s) by fiber optic cables. In this manual, the name "BCU-x2"
represents the control unit types BCU-12/-22.