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Allen-Bradley 1756-DHRIO ControlLogix Communication Module
Allen-Bradley 1756-DHRIO ControlLogix network interface card supporting Data Highway Plus and Remote I/O legacy networks. Brand new original stock, fully tested with global logistics.
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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
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