The Schneider Electric TM221CE16T is a Modicon TM221 Nano series compact PLC. This model features 16 embedded digital inputs, 10 embedded transistor outputs (sourcing), an integrated Real-Time Clock (RTC) with battery backup, and Ethernet connectivity. Designed for small automation applications requiring fast switching and network integration, it supports IEC 61131-3 programming via EcoStruxure Machine Expert - Basic software.