Allen-Bradley 2711P-RN15S Communication Module

Description

Allen-Bradley 2711P-RN15S Communication Module

Product Dimensions：

The Allen-Bradley 2711P-RN15S is a specialized communication module designed for the PanelView Plus and PanelView Plus 6 (700 to 1500 series) Graphic Terminals. It enables these Human-Machine Interfaces (HMIs) to communicate over a ControlNet network using scheduled or unscheduled messaging.

Product Detailed Description

The 2711P-RN15S is a plug-in communication module that installs into the back of a PanelView Plus logic module. It serves as the physical and logical interface between the HMI and a ControlNet network, supporting both coax and fiber media (though the module itself typically features a BNC connector for coax). This module is essential for legacy systems or high-performance architectures where ControlNet is the primary deterministic network protocol.

Technical Parameters

Product Advantages

• Deterministic Performance: ControlNet provides predictable data delivery, making this module ideal for time-critical HMI updates and high-speed synchronized systems.
• Modular Upgrade: Allows standard PanelView Plus units to be adapted to specific network requirements without replacing the entire HMI terminal.
• Redundancy Support: ControlNet often utilizes redundant media, and this module facilitates reliable communication in mission-critical environments.
• Easy Installation: The module features a simple “snap-on” design that secures directly to the logic module with integrated screws, requiring no complex wiring inside the HMI.

Important Considerations & Precautions

• Hardware Compatibility: Note that this module is not compatible with the newer PanelView Plus 7 series, which primarily uses integrated EtherNet/IP. It is strictly for the PanelView Plus and PanelView Plus 6 (700-1500) platforms.
• NUT (Network Update Time): When configuring the network in RSNetWorx for ControlNet, ensure the HMI is correctly scheduled to avoid “I/O Faults” on the PLC side.
• Firmware: The HMI firmware must be at a version that supports the RN15S module. Check the Rockwell Product Compatibility and Download Center (PCDC) for the correct revision.
• BNC Connectors: Ensure the BNC T-taps are high-quality and correctly terminated with 75-ohm resistors at the ends of the trunk line to prevent signal reflection.

Product Applications

The 2711P-RN15S is typically found in established industrial facilities that rely on Allen-Bradley Logix5000 systems:

• Legacy System Integration: Connecting modern PanelView Plus 6 terminals to existing ControlNet networks in plants where Ethernet has not yet been fully deployed.
• Large-Scale Manufacturing: Used in automotive or bottling plants where long-distance, high-speed communication between multiple controllers and HMIs is required.
• Hazardous Environments: ControlNet is often preferred in specific process industries (Oil & Gas, Chemical) where its deterministic nature is critical for safety-related monitoring.
• Heavy Industry: Found in steel mills or mining operations to provide robust HMI connectivity in high-EMI (Electromagnetic Interference) environments.

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