Allen-Bradley SLC 500 1746-NI4 Installation Instruction page 20

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