ABB ACS880-04 - Overview of the Control Connections on the BCU Control Unit

42 Operation principle and hardware description
 Overview of the control connections on the BCU control unit
BCU control unit is used with parallel-connected supply and inverter modules. The
diagram shows the control connections and interfaces of the BCU control unit.
No. Description No. Description
1
2
3
Analog and digital I/O extension modules
and fieldbus communication modules can be
inserted into slots 1, 2 and 3.
7 Control panel. See also section Connecting a
PC on page 139.
4 Memory unit 8 Fiber optic links to supply / inverter modules
5 Slot 4 for RDCO-0x 9 Ethernet interface
6 Terminal blocks. See chapter Control units of
the drive on page 337.
10 Safety functions module (FSO-xx) used in
inverter modules only
1
2
3
4
5
6
7
F
XX
F
X
X
F
X
X
X
8
CLOSE
9
10