Sk 52 Connection Diagram (See Figure 3-14) - ABB AC 31 Technical Manual

ABB Control - AC 31
1SBC 260400 R1001-b 06.99
Technical specifications

7.1.2. 07 SK 52 connection diagram (see Figure 3-14):

- Diagram of the RTS signal cabling:
If RTS active at low level:
Central unit end
MIN DIN 8
RTS+ 5
RTS- 8
If RTS active at high level:
Central unit end
MIN DIN 8
RTS+ 5
RTS- 8
- Using the cable for RS 232
Central unit end
MIN DIN 8
RxD 1
TxD 2
GND 7
RTS+ 5
RTS- 8
Shield
- Using the cable for RS 485
Central unit end
MIN DIN 8
1
D1- 2
D1+ 7
RTS+ 5
RTS- 8
Shield
Comment: The programming cable is distinguished from the ASCII/MODBUS
cables by its gray color.
Bare wires
end
CTS white
0V blue (for ex. GND)
Bare wires
end
+10 V white (for ex. DTR)
CTS blue
Bare wires
end
TxD yellow
RxD red
GND black
white Cabling depending on RTS
blue active at high or low level
Shield
Bare wires
end
Yellow not used
D1- red
D1+ black
white cabling depending on RTS
blue active at high or low level
Shield
®
communication
Page 3-29