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Siemens SIPLUS S7-1200 CM 1241 RS-232 Communication Module

Siemens SIPLUS S7-1200 CM 1241 RS-232 Communication Module for harsh environments.

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ManufacturerSiemens

Part number6AG1241-1AH32-2XB0

Module Type CM 1241 Communications Module

Interface RS-232 (9-pole D-sub, pin)

Based on 6ES7241-1AH32-0XB0

Temperature Range -40°C to +70°C

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RS-232 serial communication Conformal coating for harsh environments Extended temperature range (-40°C to +70°C) Supports Freeport protocol 9-pin D-sub connector For S7-1200 PLC

Product description

The Siemens SIPLUS S7-1200 CM 1241 (6AG1241-1AH32-2XB0) is a communications module based on the 6ES7241-1AH32-0XB0. This RS-232 module features conformal coating for enhanced durability in harsh environments, operating from -40°C to +70°C, with startup at -25°C. It includes a 9-pin D-sub connector and supports the Freeport communication protocol for flexible serial data exchange.

This module is ideal for integrating S7-1200 PLCs with serial devices such as barcode scanners, printers, weigh scales, and other equipment requiring RS-232 communication. Its extended temperature range makes it suitable for applications in extreme conditions, including outdoor or heavily industrialized settings.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens SIPLUS S7-1200 CM 1241 RS-232 module. Secure specialized Siemens components for your automation projects from Stanlo.

Technical specifications

Module Type	CM 1241 Communications Module
Interface	RS-232 (9-pole D-sub, pin)
Based on	6ES7241-1AH32-0XB0
Temperature Range	-40°C to +70°C
Startup Temp	-25°C
Features	Conformal coating, Freeport support

Common applications

Industrial Automation

Serial Device Communication

PLC Integration

Harsh Environment Applications

Process Control

Machine Connectivity

Compatible systems

Siemens SIMATIC S7-1200 PLCs Devices with RS-232 Interface Freeport Protocol Devices

Also known as

Siemens SIPLUS CM 1241 6AG1241-1AH32-2XB0 RS232 S7-1200 Communication Module

Replaces / compatible with

This SIPLUS module is an enhanced version of the standard 6ES7241-1AH32-0XB0, offering improved environmental resistance for S7-1200 systems.

Technical note

Expert tip

The 9-pin D-sub connector uses pin configuration, so ensure correct wiring for RS-232 communication with your serial devices.

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Frequently asked questions

What makes the Siemens SIPLUS CM 1241 module suitable for harsh environments?

The Siemens SIPLUS CM 1241 (6AG1241-1AH32-2XB0) features conformal coating and an extended operating temperature range of -40°C to +70°C, making it resilient to moisture, dust, and extreme temperatures commonly found in industrial settings.