What is the 1786-RPFRL?

The Allen-Bradley 1786-RPFRL is a ControlNet Long-Distance Fiber Ring Repeater Module designed to extend ControlNet communication distances, create physical ring topologies for media redundancy, and convert signals between copper and fiber media.

What is the function of the 1786-RPFRL module?

It acts as a repeater to extend network length, provides immunity to electromagnetic interference (EMI), and supports a ring topology where a single media failure does not break the communication link.

What topology does it support?

It is designed for ring topologies, allowing for a redundant optical link. If a single media failure occurs between repeaters, the communication link will remain active.

What are the environmental limits?

The module operates optimally between 0 to 60°C (32 to 140°F) with a relative humidity of 5% to 95% (non-condensing).

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1786-RPFRL

Name: 1786-RPFRL
Brand: Allen-Bradley
SKU: 1786RPFRL

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Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Information

Product Describe

RING REPEATER
CONTROLNET
FIBER
DUAL FIBER OPTIC CHANNEL
DIN RAIL MOUNTING
FOR 62.5/125 UM MULTI-MODE
USE TO 10000 M

Technical specifications for 1786-RPFRL

Product Model

1786-RPFRL
Spare Model

1786RPFRL
Product Parameters

RING REPEATER
Tariff Code

8537101190
Country of origin

USA
Place of shipment

Xiamen, China
Estimated Shipping Size

10.5x10.6x6.8cm
Manufacturer

Allen-Bradley
Weight

0.18 kg
Power consumption

2.8 W max
Communication rate

5 Mbps
Mounting orientation

Any mounting orientation
Relay contact connector voltage

30V DC, max
Relay contact connector current consumption

1 mA, min; 900 mA, max
Isolation voltage

50V (continuous)
Temperature, operating

0…60 °C (32…140 °F)
Temperature, surrounding air, max

60 °C (140 °F)
Temperature, nonoperating

-40…85 °C (-40…185 °F)

Factory New

These are new and current items that are procured from the manufacturer.
New No Package

These parts are new. They have not been used, but their original packaging is no longer available.
New In Opened Package

These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.
New In Sealed Package

Parts are new. They have not been used and still have their original package seal intact.
New in Original Package

These parts are new. The packages were not originally sealed by their original manufacturer.

Warranty Period & Disclaimer

Amikon is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. All trademarks and documents are the property of their respective owners and are provided for identification and informational.

FAQs

What is the 1786-RPFRL?+

The Allen-Bradley 1786-RPFRL is a ControlNet Long-Distance Fiber Ring Repeater Module designed to extend ControlNet communication distances, create physical ring topologies for media redundancy, and convert signals between copper and fiber media.
What is the function of the 1786-RPFRL module?+

It acts as a repeater to extend network length, provides immunity to electromagnetic interference (EMI), and supports a ring topology where a single media failure does not break the communication link.
What topology does it support?+

It is designed for ring topologies, allowing for a redundant optical link. If a single media failure occurs between repeaters, the communication link will remain active.
What are the environmental limits?+

The module operates optimally between 0 to 60°C (32 to 140°F) with a relative humidity of 5% to 95% (non-condensing).

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MORE INFORMATION

Overview Manuals Technical notes Product Applications Installation Steps

Features:

Long-Haul Fiber Optic Connectivity
Ring Topology Redundancy
High-Speed Deterministic Performance
Galvanic Isolation and Noise Immunity
Diagnostic Status Monitoring

The Allen-Bradley 1786-RPFRL is a RING REPEATER within the ControlNet™ communication ecosystem. Its primary function is to extend the physical reach of a ControlNet™ network beyond the limitations of standard coaxial copper cabling. By converting electrical signals into long-wavelength optical pulses, the 1786-RPFRL enables seamless communication between geographically dispersed control centers, remote I/O stations, and field devices in large-scale industrial environments like water treatment plants, mining operations, and expansive oil refineries.

The 1786-RPFRL Allen-Bradley RING REPEATER may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).

Allen-Bradley 1786-RPFRL RING REPEATER Manuals, Datasheets, Drivers, Link

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

The Allen Bradley 1786-RPFRL is a fiber ring long distance repeater engineered for connectivity in industrial settings. This device operates at a supply voltage of 24 VDC, ensuring compliance with standard electrical requirements. It is constructed to IP20 specifications, which indicates its appropriateness for indoor applications without exposure to water or dust.

Power consumption is minimal at 2.8 watts, making it energy efficient. This model is equipped with control indicators that display power status, along with the status of channels 1 and 2, facilitating real-time monitoring and diagnostics. The isolation voltage is rated at 50 volts, providing a level of protection against electrical faults.

Water & Wastewater Treatment:Precise chemical dosing & actuator pump speed control
Food & Beverage Production:Flow/temp regulation for bottling, ovens & mixing stations
Chemical & Oil/Gas Refineries:4-20mA signals for multiple control valves/positioners in continuous flow
Advanced Manufacturing & Packaging:Motor speed/tension control; reference signals to multiple VFDs
Metals & Mining: Controls heavy-duty proportional valves for hydraulic crushing and mineral processing equipment
Fiber & Textiles: Manages tension control systems for spinning and weaving machinery to ensure consistent material quality

This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

Prepare the Adapter: Ensure the 1786-RPA adapter is securely mounted to the DIN rail. Note that you can attach a maximum of two ring repeaters (like the 1786-RPFRL) to a single Series A or B adapter due to voltage drop constraints.

Attach the Module: Align the 1786-RPFRL with the adapter's side connectors and slide it into place until it is firmly seated.

Connect Fiber Cables: Use compatible long-distance fiber-optic cables. The module features two channels for ring redundancy.

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Warranty
All parts new original are covered by Amikon 12 month warranty

Returns
No hassle returns policy

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Why Choose Amikon Limited?

When it comes to industrial automation, reliability, speed, and trust matter. At Amikon Limited, we go beyond just supplying parts — we deliver confidence.

● Extensive Inventory Reach: Nearly 1 million automation parts at your fingertips, including legacy and obsolete models.
● 20+ Years of Expertise: Trusted by engineers, project managers and government companies worldwide for our professional service.
● Quality You Can Trust: Each unit is strictly inspected by the warehouse staff to ensure product quality
● Fast Global Shipping: We help you minimize downtime with express logistics worldwide.
● 1-Year Warranty Available: Peace of mind with every purchase backed by one year warranty guarantee.

Whether you're maintaining legacy systems or building future-ready projects, Amikon Limited is your dependable partner in precision and performance.

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1786-RPFRL

Product Information

Technical specifications for 1786-RPFRL

Factory New

New No Package

New In Opened Package

New In Sealed Package

New in Original Package