Allen Bradley 1786-RPFRXL Extra-Long-Distance Fiber Ring Repeater Module

FAQ

Q1. What is the main function of the 1786-RPFRXL?
It is used to extend ControlNet fiber networks over long distances while maintaining signal integrity and redundancy.

Q2. What network does it support?
It supports the ControlNet industrial communication protocol used in Allen-Bradley PLC systems.

Q3. What makes the RPFRXL different from standard repeaters?
It is designed for extra-long-distance fiber ring applications with enhanced EMI immunity and extended range capability.

Q4. What type of fiber cable is required?
It typically uses 62.5/125 µm multimode fiber, with some configurations supporting 9/125 µm fiber.

Q5. What is the maximum transmission distance?
It can support up to approximately 10 km in typical configurations, depending on system design.

Q6. What power supply does it require?
It operates on a 24 VDC power supply through the ControlNet repeater system.

Q7. Can it support redundant network topologies?
Yes, it supports ring topology with redundancy, as well as star and linear configurations.

Q8. Is the 1786-RPFRXL still in production?
No, it is a discontinued ControlNet component and is now mainly available through surplus industrial suppliers.

1786-RPFRXL Allen Bradley

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