6ES7241-1AH32-0XB0 - Siemens RS232 Communication Module

The 6ES7241-1AH32-0XB0 offers a single RS232 interface through a 9-pole D-sub (pin) connector, making it compatible with a wide range of serial devices such as barcode scanners, printers, weight indicators, and older control systems. Supporting Freeport mode, this CM 1241 communication module allows custom protocol communication over standard serial lines, ensuring flexibility in diverse integration scenarios. This unit is an active product under Siemens’ PM300 lifecycle classification, ensuring long-term availability and support. The module has a net weight of 0.152 kg and compact dimensions of 8.80 x 11.00 x 5.70 cm, allowing easy mounting inside compact control enclosures. Manufactured in China to Siemens’ strict quality benchmarks, it integrates smoothly with the S7-1200 PLC through TIA Portal, enabling efficient commissioning and diagnostics. Whether you're retrofitting legacy equipment or building hybrid systems, this module guarantees stable and robust serial communication.

The Siemens RS232 Communication Module 6ES7241-1AH32-0XB0 is widely used in industrial applications where legacy equipment or third-party devices require RS232 interfacing. Common industries include automotive testing, pharmaceutical production, warehouse logistics, packaging lines, and process control systems. Engineers prefer this model for its configurable Freeport communication, allowing custom data frame handling and proprietary protocol support. Educational institutions and industrial training labs also benefit from this module when teaching serial communication in automation. For system integrators and OEMs looking to expand S7-1200 communication capabilities with minimal hardware, the Siemens RS232 Communication Module 6ES7241-1AH32-0XB0 provides a compact, cost-effective, and proven solution.