Allen-Bradley SLC 500 1746-NIO4V - Page 20

20 SLC 500™ Analog I/O Modules
Publication 1746-IN008A-US-P
Wiring Schematics for 2, 3, and 4-Wire Analog Input
Devices
IMPORTANT
The module does not provide loop power for analog inputs.
Use a power supply that matches the transmitter
specifications.
+-
+
-
+
-
+
-
+
-
+
-
2-Wire Transmitter
Transmitter
Transmitter
Transmitte
Module
IN +
IN -
ANL
Power
Supply
Power
Supply
Power
Supply
Supply Signal
GND
Supply Signal
Module
IN +
IN -
ANL
Module
IN +
IN -
ANL
3-Wire Transmitter
4-Wire Transmitter