1746-C9 Allen‑Bradley communication interface module

Description

1746-C9 Allen‑Bradley communication interface module

Product Dimensions：

Allen-Bradley (Rockwell Automation) offers a diverse range of Communication Interface Modules designed to provide seamless connectivity across industrial networks. The most common and modern series is the 1756 ControlLogix and 1769 CompactLogix communication modules, supporting protocols like EtherNet/IP, ControlNet, and DeviceNet.

Product Detailed Description

These modules act as the “bridge” or “gateway” for a PLC (Programmable Logic Controller). They allow the controller to communicate with other PLCs, I/O chassis, Human-Machine Interfaces (HMI), and smart field devices (like drives or sensors).

The flagship 1756-EN2T and 1756-EN4TR (EtherNet/IP) modules are the industry standard for high-speed data exchange and integrated motion control over standard Ethernet.

Technical Parameters (Example: 1756-EN2T / 1756-EN4TR)

Product Advantages

• Seamless Integration: Designed to work natively with Studio 5000 Logix Designer software, requiring no complex third-party drivers.
• Network Resiliency: Supports Device Level Ring (DLR) topology, which provides media redundancy; if a cable breaks, the network stays active with near-zero recovery time.
• High Capacity: Capable of handling hundreds of connections simultaneously, making them suitable for massive industrial plants.
• Security Features: Newer modules (like the EN4TR) include CIP Security to help protect industrial control systems from unauthorized access or cyber-attacks.

Important Considerations & Precautions

• Firmware Compatibility: Always ensure the module’s firmware version is compatible with your Controller’s major revision and the Studio 5000 software version.
• Traffic Management: On large Ethernet networks, use managed switches with IGMP Snooping enabled to prevent the communication module from being overwhelmed by multicast traffic.
• Static Discharge: These modules contain sensitive electronics; always use an antistatic wrist strap during installation or replacement to avoid ESD damage.
• Power Supply: Ensure the chassis power supply has enough capacity (I_{out}) to handle the additional current draw of the communication module.

Product Applications

Allen-Bradley communication modules are found in nearly every automated industry:

• Automotive: Coordinating robots and conveyor systems across large assembly lines.
• Food & Beverage: Linking processing controllers to centralized SCADA systems for data logging and recipe management.
• Water/Wastewater: Remote monitoring of pump stations via fiber-optic or wireless Ethernet links.
• Oil & Gas: Integrating distributed I/O across hazardous areas using redundant ControlNet or EtherNet/IP paths.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Please make an inquiry for more models：