SR/ST series programmable logic controllers include SR20/30/40/60 (relay, 120~240VAC) and ST20/30/40/60 (transistor, 20~28VDC). Digital I/O from 12-in/8-out to 36-in/24-out. It supports 6 high-speed counters (100kHz) and pulse outputs on transistor models. With ample program/data memory and 56 AI & 56 AQ mapping, it is a cost-effective controller for industrial automation.


