Siemens 6AG1241-1AH30-4XB0 Communication Module

Siemens 6AG1241-1AH30-4XB0 is a SIPLUS CM1241 RS232 communication module designed for SIMATIC S7-1200 controllers, offering a robust 9-pin D-sub (DE-9) RS232 interface for serial data exchange. This conformal-coated variant (the 4XB0 suffix) protects the module in harsh industrial environments, aligning with SIPLUS specifications for extended reliability. The module supports Freeport functionality for flexible data access and is intended to connect RS232 peripherals such as PCs, serial devices, or other PLC modules to the S7-1200 system. As part of the CM1241 family, it integrates with the standard CM1241 form factor compatible with SIMATIC CPUs, enabling straightforward installation and serial communication without additional adapters.