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The control unit
Contents of this chapter
This chapter
•
describes the connections of the control unit
•
contains the specifications of the inputs and outputs of the control unit.
General
The BCU-x2 control unit is used with both frame sizes (R7i and R8i) and multiples. The
BCU-x2 consists of a BCON-12 control board (and a BIOC-01 I/O connector board and
power supply board) built in a metal housing. The control unit is connected to the
IGBT supply module(s) by fiber optic cables.
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 power module connections (2, 7 and 12
respectively) but are otherwise similar.
The control unit 71
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