The Omron NX-AD3204 Machine Automation Controller is a differential 2-point Analog I/O Unit supporting 4β20 mA input with 1/30000 resolution and Β±0.1% accuracy. With a fast 10 ΞΌs/point conversion speed and selectable Synchronous or Free-Run refreshing, it is ideal for precision current-based sensing. Manufactured by Omron, part of the Omron Programmable Logic Controller (PLC) range, available under the Omron NX Series.