BECKHOFF KL6904 - Manual (Page 23)

Operation
KL6904 21
KL6904 pin assignment
Terminal
point Output Signal
1 - not used, no function
2 positive power contact
3 - negative power contact
4 not used, no function
5 - not used, no function
6 positive power contact
7 - negative power contact
8 not used, no function
1’ 1 Output 1+
2’ Output 1-
3’ 3 Output 3+
4’ Output 3-
5’ 2 Output 2+
6’ Output 2-
7’ 4 Output 4+
8’ Output 4-
Note
Test pulses
When selecting actuators please ensure that the KL2904 test pulses do not lead to
actuator switching or diagnostic message from the KL2904.
The test pulses of the KL6904 terminal outputs are not configurable and cannot be
switched off.