Recommended Connection Of Sensors - Orbit Merret OM 502 User Manual

3. INSTRUMENT CONNECTION
Example connection of a 2-wire sensor with current signal output powered by instrument's excitation
Example connection of a 3-wire sensor with current signal output powered by instrument's excitation
8 | INSTRUCTIONS FOR USE OM 502
(+)
(-)
1 2 3
-
Supply (+)
Output (+)
GND (-)
1 2 3
-
+
-
+
-
14 15 16 17
+
-
+
-
14 15 16 17
Excitation
Supply (+)
INPUT - I
Sensor (-)
Excitation
Sensor (+)
INPUT - I
Output (+)
GND