Specifications

Power Distribution Modules
31007715 6/2008 375
This example shows field power for the sensor bus and field power for the actuator
bus being derived from separate SELV power supply sources.
1 +24 VDC sensor bus power
2 24 VDC sensor power return
3 +24 VDC actuator bus power
4 -24 VDC actuator power return
An optional protection relay is shown on the +24 VDC power wire to the actuator bus
connector.
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STB PDT 3100
+
1
2
3
4
-
+
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