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Siemens 6ES7241-1CH32-0XB0 CM 1241 RS422/485 Communication Module

Siemens SIMATIC S7-1200 CM 1241 RS422/485 Communication Module

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ManufacturerSiemens

Part number6ES7241-1CH32-0XB0

Interface RS422/RS485

Connector 9-pin D-sub (socket)

Protocol Support Freeport

Series SIMATIC S7-1200 CM 1241

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12-month warranty

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Supports both RS422 and RS485 9-pin D-sub socket Freeport protocol compatible For SIMATIC S7-1200 Flexible serial communication

Product description

The Siemens 6ES7241-1CH32-0XB0 is a SIMATIC S7-1200 communication module CM 1241 that supports both RS422 and RS485 serial interfaces. It features a 9-pole D-sub socket for connection and is compatible with the Freeport communication protocol.

This versatile module is suitable for a wide range of industrial applications requiring reliable serial communication, including point-to-point connections (RS422) and multi-drop networks (RS485). Industries such as manufacturing, building automation, and transportation benefit from its flexible connectivity.

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Technical specifications

Interface	RS422/RS485
Connector	9-pin D-sub (socket)
Protocol Support	Freeport
Series	SIMATIC S7-1200 CM 1241

Common applications

Point-to-point communication

Multi-drop networks

Industrial control systems

Data transmission over distance

Automation connectivity

Compatible systems

SIMATIC S7-1200 CPUs

Also known as

Siemens CM 1241 RS422/485 6ES72411CH320XB0 SIMATIC S7-1200 CM 1241

Replaces / compatible with

Compatible with Siemens SIMATIC S7-1200 PLC systems, offering flexible RS422 and RS485 serial communication.

Technical note

Expert tip

When configuring RS485, ensure that the correct bus addressing and termination are implemented to avoid communication errors in multi-drop setups.

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Frequently asked questions

Can the Siemens 6ES7241-1CH32-0XB0 module be used for both point-to-point and multi-drop serial communication?

Yes, the Siemens 6ES7241-1CH32-0XB0 supports both RS422 for robust point-to-point connections and RS485 for multi-drop network configurations, making it highly versatile.