ABB 07CR41 Operating Manual page 46

3
Technical specifications
Figure 12: 07 SK 53 communication cable (black)
07 SK 53 connection diagram (see Figure 12):
- Wiring diagrams for RTS signal:
If RTS is active at low level:
central unit end
MIN DIN 8
RTS+ 5
RTS- 8
If RTS is active at high level
- Cable for RS 232
central unit end
MIN DIN 8
RxD 1
TxD 2
GND 7
RTS+ 5
RTS- 8
3
6
shield
- Cable for RS 485
central unit end
MIN DIN 8
D1- 2
D1+ 7
RTS+ 5
RTS- 8
3
6
shield
Comment: In contrast to the programming cables, the ASCII/MODBUS
bare wires end
CTS
0V
bare wires end
TxD
RxD
GND
shield
bare wires end
D1-
D1+
shield
3 – 28
white
blue (for external
GND)
yellow
red
black
white Cabling depends on if RTS is
blue active at high or low level
yellow (not used)
red
black
white Cabling depends on if RTS is
blue active at high or low level
®
cable is BLACK.
Advant Controller AC 31 / Issued: 01.99