BECKHOFF EL6930 - Manual (Page 24)

Operation
22 EL6930
EL6930 pin assignment
Terminal
point Output Signal
1 - not used, no function
2 not used, no function
3 - not used, no function
4 not used, no function
5 - not used, no function
6 not used, no function
7 - not used, no function
8 not used, no function