Auxiliary Control Cubicle (Acu) Layout - ABB ACS880-37 Hardware Manual

40 Operation principle and hardware description

Auxiliary control cubicle (ACU) layout


A layout example of the auxiliary control cubicle (ACU) is shown below.
Swing-out frame closed,
detachable mounting plates in place
1
9
14
17 18
1 Fuse-disconnectors F101. On the primary of
transformer T101 (item 27).
2 Fuse-disconnectors F27 for motor cooling fan
outputs (options +M602...610)
3 Supply control unit [A51]. See chapter
units of the drive (page 123)
4 Inverter control unit [A41]. Three optional I/O
extension, encoder interface, or fieldbus
adapter modules can be installed on the unit.
Additional modules are installed on item 13.
See chapter Control units of the drive
123)
5 Auxiliary voltage circuit breaker F112. On the
secondary of transformer T111 (item 29).
Mounted on the right-hand inside wall.
2
3
5 6
4
7
8
10
11
12
13
15 16
19
Control
(page
Swing-out frame open,
without detachable mounting plates
20
25
9
25
32
34
33
19 Lead-through for control cables
20 Terminal block X68 for FSO-xx safety functions
module (option +Q973)
21 I/O terminal block (option +L504). The I/O of the
inverter control unit is wired to this block.
22 Grounding/clamping point for control cables
23 24 V DC power supply and buffer module
21
22
23
24
27
26
30
28
31
29
35