The Omron NX-AD3203 Machine Automation Controller Analog Input Unit provides 2 single-ended channels for acquiring 4 to 20 mA current signals. Its 1/8000 resolution and ±0.2% overall accuracy support dependable conversion of analog current into values that can be processed by the controller. Each channel has a 250 μs conversion time, with Free-Run refreshing maintaining continuous measurement updates during machine operation. This configuration gives the NX-AD3203 a practical role in compact systems requiring current-based sensing or monitoring. It can be integrated with other analog input PLC modules across Omron industrial automation applications.