The ControlNet Fiber Ring Medium Repeater Allen-Bradley 1786-RPFM is a medium-distance fiber optic repeater module for ControlNet networks. It enables reliable communication up to 3000 meters, providing superior noise immunity and ground isolation compared to copper media.

Features and benefits

 Extended Reach: Provides a medium-distance fiber link for ControlNet networks, supporting connections up to 3000 meters.

Noise Immunity: Utilizes fiber optic technology to ensure reliable communication in electrically noisy industrial environments.

System Compatibility: Designed to connect to the 1786-RPA/B repeater adapter, with a maximum of four modules per adapter.

Technical Specifications: Operates at 5 Mbps using 62.5/125 μm multimode fiber with ST connectors and a 1300 nm wavelength.

Flexible Installation: Supports any mounting orientation and has an open-style enclosure for versatile panel integration.

Efficient Power Use: Consumes a maximum of 2W of power, with backplane ratings of 400 mA at 5V DC.

FAQ

Q1: What is the primary application of the Allen-Bradley 1786-RPFM module?

A1: It is used to establish a medium-distance fiber optic link for extending and isolating ControlNet networks in noisy environments.

Q2: What is the maximum transmission distance supported by this module?

A2: It supports a maximum fiber link distance of 3000 meters (9843 feet).

Q3: How many 1786-RPFM modules can be connected to a single repeater adapter?

A3: A maximum of four modules can be attached to one 1786-RPA/B repeater adapter.

Q4: What type of fiber optic cable is required for this module?

A4: It requires 62.5/125 Micron multimode OM-1 fiber with ST-type connectors.

Q5: What are the key environmental benefits of using this fiber module over copper?

A5: It provides complete electrical ground isolation between network nodes and is highly resistant to electromagnetic interference.