Advant Controller AC 31 / Issued: 01.99 3 – 27 Technical specifications
3
3.7.2 ASCII/MODBUS
®
communications cables: 07 SK 51 and 07 SK 53
These cables allow you to connect the 40 or 50 series basic units to other devices for ASCII
or MODBUS
®
communication.
The cables are 2 m in length and shielded.
Figure 11: 07 SK 51 communication cable (black)
07 SK 51 connection diagram (see Figure 11):
Central unit
MIN DIN 8
PC
SUB D9
RxD 1
TxD 2
GND 7
5
8
3
6
4
shield
3 TxD (yellow)
2 RxD (red)
5 GND (black)
8 CTS (white)
7 RTS (blue)
1CD
4DTR
6DSR
shield
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