AMALGAMATED INSTRUMENT PM4-IV - Electrical Connection Examples

3.2 Electrical connection examples
If output options are fitted refer to the ”PM4 Panel Meter Optional Output Addendum” booklet
for connection details.
AC power connections - supply type is factory configured, check before connecting
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Case earth
Neutral
Active
DC power connections (12 to 48VDC) - supply type is factory configured, check before connecting
2 wire 4-20mA powered from non isolated regulated 18V supply (25mA maximum)
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2 WIRE
4-20mA
SENSOR
+
-
4-20mA
2 wire 4-20mA externally powered sensor
1 2 3 4 5 6 7 8 9 10 11
2 WIRE
4-20mA
SENSOR
External Power
Supply
+
+
-
-
4-20mA
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