The Schneider Electric TM221M32TK is a Modicon TM221 Nano series compact PLC. This model features 24 embedded digital inputs, 8 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.