Siemens 6ES7212-1BB21-0XB0 SIMATIC PLC Module

The Siemens 6ES7212-1BB21-0XB0 SIMATIC S7-200 CPU 222 Compact Unit is an in-package PLC module from the SIMATIC S7-200 family, designed for compact automation tasks and delivering an AC power supply, eight DC digital inputs, and six relay outputs for direct, local control of small machines. It provides 4 KB of program memory and 2 KB of data memory to store ladder logic and runtime data, with PROFIBUS DP support that is extendable to connect this CPU 222 to additional DP devices or distributed I/O networks. Siemens Industry Mall lists the model as no longer available, underscoring its status as part of the older CPU 222 line.