ABB ACS880-107, Hardware Manual

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