Siemens 6ES7-216-2AD23-0XB0 is a CPU 226 compact controller for the SIMATIC S7-200 family, delivering 24 x 24 V DC digital inputs and 16 x 24 V DC digital outputs. It provides two built-in communications interfaces and is configured as a DC/DC/DC unit with a removable terminal block for easy field wiring. This module contains no analog I/O, focusing on binary digital signal control in small automation tasks. Firmware associated with this part is version 0xB0, identifying its specific feature set within the CPU 226 series.
