Operating instructions

Appendix
Operating instructions 22012836B 09/08 41
IND690-Fill
6 Appendix
6.1 Connection diagram and terminal assignment for 8-690 relay box
Note
The first 8-690 relay box can also be replaced with 4 I/O-690 interfaces and 4-690
relay boxes.
1st relay box 4-690 on COM6 IN1 ... IN4 Terminal 2, IN0 ... IN3
OUT1 ... OUT4 Terminal 3, OUT0 ... OUT3
2nd relay box 4-690 on COM5 IN5 ... IN8 Terminal 2, IN4 ... IN7
OUT5 ... OUT8 Terminal 3, OUT4 ... OUT7