Allen Bradley 1786-RPFRXL ControlNet Ultra-Long Distance Fiber Optic Ring Repeater Module
Allen Bradley 1786-RPFRXL ControlNet Ultra-Long Distance Fiber Optic Ring Repeater Module
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Brand:Allen Bradley PLC Item No.:1786-RPFRXL Product Origin:USA Product Dimensions:108 x 69 x 107 mm Product Weight:0.18 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1786-RPFRXL ControlNet Ultra-Long Distance Fiber Optic Ring Repeater Module is a high-performance networking component designed for extending and protecting industrial ControlNet communications. It enables long-distance fiber optic transmission while maintaining network integrity through redundant ring architecture.
The module supports dual fiber channels and is capable of linking widely distributed industrial nodes across large facilities or geographically separated sites. Its optical design provides strong resistance to electrical noise and grounding issues, making it ideal for harsh industrial environments.
Although primarily used in legacy ControlNet systems, it remains important in industries where existing infrastructure relies on deterministic, high-reliability network communication.
Technical Specifications
Parameter
Specification
Product Model
1786-RPFRXL
Product Type
ControlNet Fiber Optic Ring Repeater
Network
ControlNet
Media
Fiber optic
Topology
Ring / redundant fiber network
Max Distance
Up to ~20 km (dependent on fiber)
Function
Signal repeating / network extension
Fault Handling
Redundant path switching
Mounting Type
ControlNet chassis-based module
Communication Rate
ControlNet standard (up to 5 Mbps class)
Dimensions
108 × 69 × 107 mm
Weight
0.18 kg (0.40 lb)
Industrial Applications
The Allen-Bradley 1786-RPFRXL is a ControlNet fiber optic ring repeater module designed to extend industrial network communication over ultra-long distances using fiber optics. It is used in ControlNet architectures where redundancy, signal integrity, and long-distance communication are required.
Typical applications include:
Large-scale factory ControlNet networks
Oil & gas distributed control systems
Power generation plant communication backbones
Petrochemical and refinery automation networks
Mining and heavy industrial site networking
Long-distance machine cell interconnection
Redundant fiber optic ring architectures
EMI-heavy industrial environments
Product Advantages
Supports ControlNet fiber optic ring topology
Enables ultra-long distance network extension (up to ~20 km depending on fiber)
Provides network redundancy via ring architecture
High immunity to electromagnetic interference (EMI)
Optical isolation between network segments
Supports dual fiber channels for redundancy
Fault detection and relay status indication
Stable performance in harsh industrial environments
Technical FAQs
1. What is the main function of this module?
It extends and repeats ControlNet fiber optic signals for long-distance and redundant network communication.
2. What network does it support?
It supports the Allen-Bradley ControlNet network.
3. What is a ring topology in this context?
A ring topology allows communication to continue even if one fiber link is broken, improving network reliability.
4. How far can it transmit signals?
Up to approximately 20 km depending on fiber type and installation conditions.
