Overview of the control connections of the BCU control
unit
1
2
3
4
5
6
7
F
X
X
F
X
X
F
X
X
X
8
CLOSE
9
10
11
Control panel.7Analog and digital I/O extension modules and
fieldbus communication modules can be in-
serted into slots 1, 2 and 3.
1
2
3
Fiber optic links to power modules (inverter,
supply, brake or converter)
8Memory unit4
Ethernet port. Not in use.9Slot 4 for RDCO-0x5
Safety option interface. Only in use for the
inverter units.
10Terminal blocks.6
Distributed I/O bus with CIO-02 modules for
cooling fan monitoring and control.
11
30 Operation principle and hardware description