You are here:
- Home
- Product
- Cables & Connectors
- Communication & Network
- Siemens 6ES7241-1CH32-0XB0 Communication Module
SKU: 6ES7241-1CH32-0XB0
Siemens 6ES7241-1CH32-0XB0 Communication Module
The Siemens 6ES7241-1CH32-0XB0 is a CM 1241 communication module for S7-1200 PLCs. It provides a robust RS422/485 interface, supporting Modbus RTU and Freeport protocols for reliable serial data exchange.
The Siemens 6ES7241-1CH32-0XB0 is a dedicated CM 1241 communication module. It expands the serial interface capabilities of the SIMATIC S7-1200 PLC series. This module facilitates point-to-point connections through RS422 and RS485 protocols. Its high-performance design ensures stable data exchange between the controller and external devices. The unit mounts easily on the left side of the CPU. Consequently, it provides a cost-effective solution for serial networking in small to medium automation projects.
Technical Specifications
| Feature | Details |
| Manufacturer | Siemens |
| Model Number | 6ES7241-1CH32-0XB0 |
| Interface Type | RS422 / RS485 (Serial) |
| Connection Port | 9-pin D-sub (Socket) |
| Input Voltage | 24V DC (Range 20.4 to 28.8 V DC) |
| Current Consumption | 220 mA |
| Supported Protocols | Freeport (ASCII), Modbus RTU, USS |
| Weight | 0.08 kg |
| Dimensions | 30 x 100 x 75 mm |
Technical Performance and Connectivity
This communication module supports several industrial protocols to enhance system interoperability. The Freeport protocol allows for highly customized serial data strings. Meanwhile, integrated Modbus RTU support simplifies connections to sensors and motor drives. The module handles high transmission speeds to maintain system responsiveness. Furthermore, the 9-pin D-sub interface provides a secure physical connection. The internal circuitry features robust electromagnetic compatibility for noisy industrial environments. This hardware ensures that data packets remain intact during high-speed transfers.
Industrial Applications
- Linking S7-1200 controllers to barcode scanners or printers.
- Establishing Modbus networks for temperature controllers and power meters.
- Controlling variable frequency drives through the USS protocol.
- Interfacing with legacy serial equipment in modernization projects.
Tags: Communication Module
You may also like
The Siemens 6GK7542-1AX00-0XE0 is a CP 1542-1 communication processor for SIMATIC S7-1500 PLCs. It provides dual RJ45 ports and 10/100 Mbit/s speeds. This module supports PROFINET IO and multiple IT protocols for efficient industrial networking.
Siemens 6SX7010-0FF05 Communication Module
The Siemens 6SX7010-0FF05 is a robust communication interface for SIMOVERT Masterdrives. It enables high-speed data exchange up to 12Mbps, featuring isolated ports and diagnostic LEDs for reliable drive control in harsh industrial environments.
ABB 1MRK000195-AAR02 Communication Module
The ABB 1MRK000195-AAR02 is a high-performance communication module designed for Bay Control Systems. It offers reliable data processing, a compact PC board design, and Swedish-engineered durability for substation automation. This module ensures seamless connectivity and optimized performance in demanding DCS environments.
Honeywell 10014/H/F Communication Module
The Honeywell 10014/H/F is a high-speed communication module for Fail Safe Control (FSC) systems. It facilitates reliable data exchange for safety-critical applications like emergency shutdown and fire detection while providing integrated diagnostics for hardware health monitoring.
General Electric IC687RCM711 Redundancy Communications Module
The GE IC687RCM711 is a Hot Standby redundancy module for Series 90-70 and Mark VIe systems. It enables 500 KB/s data synchronization between active and backup CPUs. Featuring five diagnostic LEDs and a manual switchover button, this USA-made module ensures high availability and fault tolerance in critical DCS and PLC automation environments.
General Electric DS200SLCCG4AFG Interface Communication Card
The GE DS200SLCCG4AFG is a high-performance LAN communication interface card for Mark V turbine control systems. It facilitates real-time data exchange with a low 5W power draw and wide -40°C to +70°C operating range. This 0.24kg module provides essential signal routing and interface connectivity for high-speed industrial drive automation.
Allen-Bradley 1756-CNBR ControlLogix Communication Module
The Allen-Bradley 1756-CNBR is a redundant ControlNet bridge module for ControlLogix systems. It provides 5 Mbps deterministic communication and dual BNC ports for media redundancy. This module supports up to 64 connections and 99 nodes in mission-critical automation environments.
Allen-Bradley 1785-BEM Backup Communication Module
The Allen-Bradley 1785-BEM is a PLC-5 Backup Communication Expansion Module. It provides high-speed redundancy for DH+ and Remote I/O networks with 1.2 MBaud transfer rates. This 1771-chassis module ensures continuous data synchronization for mission-critical automation systems.
Allen-Bradley 1756-SYNCH Synchlink Communication Module
The Allen-Bradley 1756-SYNCH is a ControlLogix SynchLink module providing 5 Mbps fiber-optic communication. It enables precise time synchronization and high-speed data broadcasting between multiple chassis for coordinated motion control.
Siemens 6DD1688-0AE2 Communication Module
The Siemens 6DD1688-0AE2 is an SS52 master communication submodule for SIMADYN D. It provides an isolated PROFIBUS DP interface via the CS7 carrier module.
Allen-Bradley 1785-PFB Profibus Communication Module
The Allen-Bradley 1785-PFB is a Profibus DP communication module designed for the PLC-5 system. It enables 1771-based controllers to interface with Profibus networks at speeds up to 12 Mbps, supporting both Master and Slave configurations for comprehensive multi-vendor device integration.
HIMA F8621 F8621/A Central Processing Unit HIQuad Safety System
The HIMA F8621 and F8621/A are high-integrity CPU modules for HIQuad safety systems. By leveraging a SIL 3 certified dual-processor architecture and robust self-diagnostics, they provide the deterministic logic execution and high-speed safety monitoring required for critical Emergency Shutdown (ESD) and Fire & Gas (F&G) applications.


























