Schneider Electric TM221C16R is a compact Modicon M221 logic controller that packs 16 I/O into a single, DIN-rail-mounted block for small to mid-size automation tasks. It provides 7 relay outputs and operates from a 100–240 V AC supply, making it suitable for simple machine control, control panels, and basic process automation. As part of the Modicon M221 family, the TM221C16R supports Modbus communications for straightforward integration with existing controls. This compact, relay-output capable controller offers a practical choice when space is tight and reliable local control is required.
