Siemens 6ES7288-1ST20-0AA0 CPU Module for SIMATIC S7-200 SMART

Siemens 6ES7288-1ST20-0AA0 SIMATIC S7-200 SMART CPU ST20 is a standard CPU module for the S7-200 SMART line that supplies DC/DC/DC power and includes onboard I/O for compact control tasks. Onboard I/O consists of 12 digital inputs (24 V DC) and 8 digital outputs (24 V DC), enabling direct connection to sensors and actuators. The unit operates from DC 20.4 to 28.8 V and contains 20 KB of program and data memory. As a ST20 CPU, it is programmed with STEP 7-Micro/WIN SMART and is designed for small automation tasks. Typical applications include simple machine control and sequencing in 24 V DC automation setups.