Ascii/Modbus ® Communication Cables: 07 Sk 51 And; Sk 51 Connection Diagram (See Figure 3-15) - ABB AC 31 Technical Manual

®
7.2. ASCII/MODBUS communication cables: 07 SK 51 and 07 SK 53
ABB Control - AC 31
1SBC 260400 R1001-b 06.99
Technical specifications
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):

Central unit end
MIN DIN 8
RxD 1
TxD 2
GND 7
5
8
3
6
4
Shield
PC end
SUB D9
3 TxD (yellow)
2 RxD (red)
5 GND (black)
8 CTS (white)
7 RTS (blue)
1 CD
4 DTR
6 DSR
Shield
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