The Siemens 6ES7211-1HE40-0XB0 is a SIMATIC S7-1200 compact CPU (1211C) with integrated DC/DC/relay power and on‑board I/O. It provides 6 digital inputs at 24 V DC, 4 relay outputs up to 2 A, and 2 analog inputs (0–10 V), powered from a 20.4–28.8 V DC supply, plus 75 KB of program/data memory to run small automation logic. This CPU is designed for space‑constrained control tasks, such as machine control, packaging lines, and straightforward process automation within the S7‑1200 family.
