The Control Unit; What This Chapter Contains - ABB ACS880-207 Hardware Manual

The control unit

What this chapter contains

This chapter
•
describes the connections of the control units used in ACS880 multidrives
•
contains the specifications of the inputs and outputs of the control units.
Note: In this manual, the name "BCU-x2" represents the control unit types BCU-02,
BCU-12 and BCU-22. These have a different number of supply module connections (2, 7
and 12 respectively) but are otherwise similar.
The BCU-x2 is used in IGBT supply modules of frame size R8i and up. It consists of a
BCON-x2 control board built in a metal housing. The BCU control unit is mounted
separately from the supply module(s), and connected to the module(s) by fiber optic
cables.
The control unit 131
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