he Siemens 6ES7 211-0BA23-0XB0 is a SIMATIC S7-200 CPU 221 compact PLC unit featuring AC power supply ( AC), 6 digital DC inputs, and 4 digital relay outputs. It offers 4 KB of program memory and 2 KB of data memory. This unit was discontinued by the manufacturer on August 28, 2024, making it available primarily as a spare part or refurbished component. Key Features and Technical Specifications:Power Supply: AC.Inputs: 6 Digital Inputs (DI), DC input type.Outputs: 4 Digital Relay Outputs (DO).Memory: 4 KB Program / 2 KB Data.Design: Compact design with 24V DC sensor supply, suitable for small automation tasks.Status: Discontinued (as of August 28, 2024), replaced by modern SITAMIC S7-1200 series.
eBay