Inverter Module Frame Sizes R1I To R4I; General; Module Layout Examples - ABB ACS880-107 Series Hardware Manual

18 Hardware description
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Inverter module frame sizes R1i to R4i

General

The motor (output) cables are connected to either detachable or non-detachable screw
terminal blocks at the bottom of the cubicle. The modules have a built-in ZCU drive control
unit, which contains the basic I/Os and slots for optional I/O modules.
The modules have an internal capacitor precharge circuit.
External optional equipment is primarily installed on mounting plates in the same cubicle.

Module layout examples

Frame R1i (Frame R2i has a similar layout)
2
7
1
4
7
9
7
3
8
Item
1
2
3
4
5
6
7
6
5
8
9
Explanation
Power unit
DC (input) connections
Motor (output) connection (obscured). This has
been wired to a separate terminal block in the lower
part of the cubicle.
ZCU-14 control unit mounted on top of the power
unit
Grounding/strain relief rail for control cables.
I/O terminal blocks
3 slots for optional modules
Memory unit
Connection for FSO-xx safety functions module