Allen Bradley 1786-RPA ControlNet Repeater Adapter Module

The AB 1786-RPA is a modular repeater adapter designed for use in ControlNet network systems, providing signal regeneration and physical media extension. It enables flexible configuration of ControlNet segments using coaxial BNC connections, ensuring consistent data integrity across long distances or in electrically noisy environments.

This unit acts as the base adapter to which various ControlNet repeater modules (e.g. 1786-RPCD or 1786-RPCD2) can be added, offering scalable network expansion in demanding industrial automation installations.

Technical Specifications

Model: 1786RPA
Series: ControlNet Modular Repeaters
Type: Repeater Adapter Module
Network Type: ControlNet
Port Configuration: 1 x 10 Mbps BNC
Mounting Type: Panel Mount (non-rack)
Modularity: Accepts modular repeater channels (sold separately)
Function: Media signal regeneration and segment extension
Suitable For: ControlNet trunk and tap applications

Electrical Specifications

Power Supply: Supplied via external source or backplane
Input Voltage Range: 24V DC nominal (external power supply not included)
Power Consumption: <5 W typical
Surge Protection: Integrated
Hot Swappable: Yes
Termination Support: External terminator required on BNC coaxial segments

Network & Interface Specifications

Supported Protocol: ControlNet
Port Speed: 10 Mbps (ControlNet standard)
Connector Type: BNC (for coaxial media)
Repeater Channels Supported: Up to 2 modular repeater modules
Media Type: Coaxial (RG-6 or similar)
Impedance: 75 ohms (standard for BNC ControlNet)
Diagnostics: Status LEDs for activity and fault indication
Compatible Modules: 1786-RPCD, 1786-RPCD2, 1786-RPCDS, etc.

Mechanical Specifications

Enclosure Type: Open device – IP20
Mounting Orientation: Vertical preferred
Width: 196.8 mm
Height: 304.8 mm
Depth: 101.6 mm
Weight: Approx. 1.4 kg
Installation Notes: Must be installed in protective cabinet or control enclosure
Suitable for 19″ Rack Mount: No

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Humidity: 5% to 95% non-condensing
Vibration/Shock Rating: IEC 60068-2 compliant
Pollution Degree: 2
Altitude: Up to 2000 m
Application Suitability: Indoor use within enclosure

Compliance & Certifications

Certifications: UL, c-UL, CE, RoHS
Standards Met: EN 61131-2, IEC 61000-6-2 / 6-4
Use with: Allen Bradley ControlNet media and repeater systems
EMC Compliance: Yes
Safety Category: General Industrial Use (not SIL rated)

Key Features & Benefits

✅ Modular ControlNet Expansion – Add up to two repeater channels per adapter for scalable deployment

✅ Reliable BNC Coaxial Interface – Standard 10 Mbps trunk line support with fault indication LEDs

✅ Industrial Design – Built for demanding automation environments with wide temperature tolerance

✅ Signal Regeneration – Maintains signal integrity over long coaxial ControlNet runs

✅ Plug-and-Play Network Architecture – Easy to install and integrate with Allen Bradley repeaters

📦 Order the Allen Bradley 1786-RPA from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1786-RPA prices. This ControlNet repeater adapter module provides flexible network segment extension and modular signal management for demanding industrial networks—available now for expert advice and delivery options.

Click here to request a quote or check availability

Drive Outlet Megastore – your trusted source for Allen Bradley ControlNet components and network infrastructure.