July 2013 3.17 Analog PLC inputs/outputs 287
X66 to X67:
Analog output
Pin layout
X81 to X82:
Connection for
Pt 100
Pin layout:
Connecting
terminals
Assignment
1a/1b –10 V to +10 V (output)
2a/2b 0 V (reference potential)
3a/3b Shield
Connecting
terminals
Assignment
1a/1b I+ Constant current for PT 100
2a/2b U+ Measuring input for Pt 100
3a/3b U– Measuring input for PT 100
4a/4b I– Constant current for PT 100
5a/5b Shield
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