ABB AC 31 - ASCII;MODBUS Communication Cables: 07 SK 51 and; SK 51 Connection Diagram (See Figure 3-15)

Technical specifications
ABB Control - AC 31 Page 3-31
1SBC 260400 R1001-b 06.99
7.2. ASCII/MODBUS
®
communication cables: 07 SK 51 and 07 SK 53
These cables allow you to connect the 40 or 50 series central units to other devices for ASCII
or MODBUS
®
communication.
They are shielded and 2 meters long.
7.2.1. 07 SK 51 connection diagram (see Figure 3-15):
RxD 1
TxD 2
GND 7
5
8
3
6
4
Shield
3TxD(yellow)
2 RxD (red)
5GND(black)
8 CTS (white)
7 RTS (blue)
1CD
4DTR
6DSR
Shield
Central unit end
MIN DIN 8
PC end
SUB D9