Control Units Of The Converter; Contents Of This Chapter; General; Bcu Control Unit - ABB ACS880-87LC-4000A/4021A-7 Hardware Manual

Control units of the converter 119

10
Control units of the converter

Contents of this chapter

This chapter describes the layout and connections of the control units and contains the
specifications of the inputs and outputs of the control units.
For the actual connections of the control units used in the ACS880-87LC converter, see
the circuit diagrams delivered with the converter.

General

BCU control unit


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" represents the control unit type BCU-12.