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- Allen Bradley
- 1786-RPFRXL
- ControlNet Ultra-Long Distance Fiber Optic Ring Repeater Module
- USA
- 111 x 69 x 101.2 mm
- 0.18 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
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| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview
The Allen-Bradley 1786-RPFRXL is a ControlNet Ultra-Long Distance Fiber Optic Ring Repeater Module, designed to extend the distance and reliability of ControlNet fiber optic networks in industrial automation systems. It supports high-speed, deterministic data communication over long distances, ideal for large-scale distributed control systems.
This module is widely used in process industries, manufacturing plants, utilities, and petrochemical facilities where network signal integrity over long fiber optic runs is critical.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 1786-RPFRXL |
| Product Type | ControlNet Ultra-Long Distance Fiber Optic Ring Repeater Module |
| Function | Repeats and extends ControlNet fiber optic network signals |
| Dimensions | 111 × 69 × 101.2 mm |
| Weight | 0.18 kg |
| Network Type | ControlNet fiber optic ring |
| Maximum Distance | Up to 10 km (depending on fiber type and network configuration) |
| Mounting | DIN rail or panel-mounted enclosure |
| Indicators | Status LEDs for power, network, and fault conditions |
| Power Supply | 24 VDC (from ControlNet power source) |
| Operating Temperature | 0–60°C (32–140°F) |
Function and Working Principle
The 1786-RPFRXL module acts as a repeater for ControlNet fiber optic networks:
- Installed at strategic points in the fiber optic ring.
- Receives incoming ControlNet signals and regenerates them to maintain signal integrity.
- Extends the network’s maximum distance while preserving deterministic, high-speed communication.
- LEDs provide real-time diagnostics for power, network connection, and faults.
- Ensures reliable communication between distributed PLCs, I/O nodes, and HMIs in large industrial systems.
Key Features
- Ultra-long distance fiber optic signal repeater for ControlNet
- Compact and lightweight design (111 × 69 × 101.2 mm, 0.18 kg)
- Supports deterministic, high-speed industrial communication
- Diagnostic LEDs for monitoring power, network, and fault conditions
- Enables large-scale, distributed control system deployment
- DIN rail or panel-mounted installation
- Compatible with Allen-Bradley ControlNet fiber optic network modules
Industrial Applications
- Large-scale manufacturing plants with distributed I/O
- Petrochemical and chemical process plants
- Oil & gas pipeline monitoring and control
- Utility and power generation networks
- Water and wastewater treatment plants
- Any industrial facility requiring extended fiber optic ControlNet networks
Installation Overview
- Mount on DIN rail or within an industrial control panel
- Connect to ControlNet fiber optic cables in a ring topology
- Power via 24 VDC from the ControlNet network
- Observe LED indicators for proper network connection and operation
- Integrate with PLCs, HMIs, and I/O nodes as part of ControlNet fiber network
Compatible Systems
- Allen-Bradley ControlLogix and CompactLogix PLCs with fiber optic ControlNet modules
- Fiber optic I/O devices on ControlNet
- FactoryTalk View or other ControlNet-compatible supervisory systems
- Industrial networks requiring high-speed, deterministic data communication
Alternative Modules
| Model | Description |
|---|---|
| 1786-RPFRXL | Ultra-long distance fiber optic repeater (this model) |
| 1786-RPRXL | Standard fiber optic repeater for ControlNet |
| 1786-RPL | Copper-based ControlNet repeater module |
| 1786-RFAD | Fiber optic adapter for ControlNet extension |
| 1786-RP2 | Legacy ControlNet repeater module for short distances |
Key Advantages
- Extends ControlNet fiber optic networks up to 10 km
- Maintains high-speed and deterministic data communication
- Compact and easy to install
- Provides real-time diagnostic feedback via LEDs
- Ensures reliability in large distributed automation systems
Technical FAQs
What is the purpose of the 1786-RPFRXL?
To repeat and extend ControlNet fiber optic signals for ultra-long distance network communication.
How far can it extend the network?
Up to 10 km depending on fiber type and network configuration.
Does it support copper networks?
No, it is specifically for ControlNet fiber optic networks.
What type of topology does it support?
Ring topology for ControlNet fiber optic networks.
Can it be used with ControlLogix PLCs?
Yes, fully compatible with ControlLogix and CompactLogix PLCs using fiber optic ControlNet modules.
Conclusion
The Allen-Bradley 1786-RPFRXL is a high-performance fiber optic repeater module for ControlNet networks, providing ultra-long distance communication, reliability, and real-time diagnostic capabilities. It is essential for large industrial automation systems where maintaining signal integrity over extended fiber runs is critical.