BECKHOFF EP1908 - Manual (Page 21)

Operation
EP1908-0002 19
4.1.5.7 Signal connection
M12 connection Contact Channel Signal
1 1 1 Pulse output 1
2 Input 1
3 2 Pulse output 2
4 Input 2
5 - not connected
2 1 3 Pulse output 3
2 Input 3
3 4 Pulse output 4
4 Input 4
5 - not connected
3 1 5 Pulse output 5
2 Input 5
3 6 Pulse output 6
4 Input 6
5 - not connected
4 1 7 Pulse output 7
2 Input 7
3 8 Pulse output 8
4 Input 8
5 - not connected
Note
Configurable inputs
The inputs 1 to 8 can be occupied as you want with normally closed contacts or
normally open contacts. The corresponding analysis is carried out in the safety PLC.