Allen Bradley ControlNet 1786-RPCD | Coaxial Hub Repeater Module

Product Description

The Allen Bradley ControlNet 1786-RPCD is a dual-port coaxial repeater module designed to extend and maintain reliable ControlNet communication across industrial networks. Compact and DIN rail mountable, it supports multiple topologies and integrates seamlessly with repeater adapters for scalable system expansion.

Technical Specifications

• Manufacturer Allen Bradley

• Product Line 1786 Repeaters

• Product Type Communication Module

• Part Number 1786-RPCD

• Weight 0.31 lbs (0.14 kg)

• Repeater Type Coaxial repeater module

• Cable Type RG6 copper coaxial

• Description Dual copper ControlNet repeater module

• Supported Protocol ControlNet

• Number of Ports Two ControlNet channels

• Input Power 5 VDC

• Backplane Current Draw 400 mA

• Power Consumption 2 W maximum

• Power Dissipation 2 W maximum

• Supported Topologies Linear, star, and redundant configurations

• Typical Repeater Distance Up to 1 km

• Compatible Adapter 1786-RPA/B

• Maximum Modules per Adapter Four 1786-RPCD units

• LED Indicators Channel 1 and Channel 2 status lights

• Mounting DIN rail installation

• Enclosure Rating Open-style (no protective enclosure)

Application Scenarios

• Extending ControlNet networks in large-scale automation systems

• Supporting redundant and star topologies for enhanced reliability

• Integration with 1786 repeater adapters for modular expansion

FAQ

Q: How many 1786-RPCD modules can be connected to one adapter?  A: Up to four modules can be installed per 1786-RPA/B adapter.

Q: What type of cable does this repeater use?  A: It is designed for RG6 copper coaxial cable.

Q: Does the module provide enclosure protection?  A: No, it is open-style and requires installation within a protected control cabinet.

Comparable Models

• 1786-RPA: Repeater adapter module required for connecting multiple repeaters.

• 1786-RPFM: Fiber repeater module for ControlNet networks requiring fiber optic connections