Beckhoff EL9 Series Documentation page 30

Product overview
Connection EL9180
Terminal Description
point
No.
1 connected internally with terminal 5
2 +24 V
(connected internally with terminal 6 and positive power contact)
3 0 V
(connected internally with terminal 7 and negative power contact)
4 PE
(connected internally with terminal 8 and PE power contact)
5 connected internally with terminal 1
6 +24 V
(connected internally with terminal 2 and positive power contact)
7 0 V
(connected internally with terminal 3 and negative power contact)
8 PE
(connected internally with terminal 4 and PE power contact)
30 Version: 3.9 EL9xxx