Electrical installation 23
Terminal designations
Digital inputs
Relay outputs
General cabling instructions
Use 0.5…2.5 mm
2
twisted pair unshielded cable with an applicable
voltage rating.
Do not route signal cables parallel to power cables.
Marking Description
XDI1
1 1 Digital input 1 terminal 1
2 2 Digital input 1 terminal 2
XDI2
3 3 Digital input 2 terminal 3
4 4 Digital input 2 terminal 4
XDI3
5 5 Digital input 3 terminal 5
6 6 Digital input 3 terminal 6
Marking Description
XRO1
11 NC Relay output 1, normally closed
12 COM Relay output 1, common
13 NO Relay output 1, normally open
XRO2
21 NC Relay output 2, normally closed
22 COM Relay output 2, common
23 NO Relay output 2, normally open
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