Beckhoff EL2904 Operating Instructions Manual page 23

EL2904 pin assignment
Terminal Output
point
1 -
2
3 -
4
5 -
6
7 -
8
1' 1
2'
3' 3
4'
5' 2
6'
7' 4
8'
Test pulses
When selecting actuators please ensure that the EL2904 test pulses do not lead to
Note
actuator switching or diagnostic message from the EL2904.
EL2904
Signal
not used, no function
positive power contact
negative power contact
not used, no function
not used, no function
positive power contact
negative power contact
not used, no function
Output 1+
Output 1-
Output 3+
Output 3-
Output 2+
Output 2-
Output 4+
Output 4-
Operation
21