Control units of the drive
Contents of this chapter
This chapter
• describes the connections of the control unit(s) used in the drive,
• contains the specifications of the inputs and outputs of the control unit(s).
General
The inverter unit uses one of these control units:
• frame sizes R1i…R4i, R6i and R7i: ZCU-14 control unit
• frame size R5i: ZCU-12 control unit
• frame size R8i: BCU-02/12/22 control unit.
The control unit is connected to the inverter module(s) through fiber optic cables.
Different types of BCU control units have a different number of fiber optic connection
ports. For more information, refer to the control unit hardware manual.
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Control units of the drive 77
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