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

20 Hardware description

Inverter module frame sizes R1i to R4i


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-14 drive
control unit, which contains the basic I/Os and slots for optional I/O modules; for
descriptions of the I/O terminals, see chapter
The modules have an internal capacitor pre-charge 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
The inverter control unit
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
(page 47).