Allen-Bradley 1786-RPFM Fiber Module

Series#: AllenBradley

Product Details

1786-RPFM ALLEN-BRADLEY ControlNet Medium-Distance Fiber Module: High-reliability solution for extending ControlNet networks over fiber optic cabling.
Supports medium-distance transmission up to 3 km (1.86 miles) over multimode fiber, ideal for distributed industrial automation.
Provides electrical isolation and noise immunity, eliminating ground loop issues in harsh environments.
Plug-and-play installation with standard BNC connectors and fiber SC/ST interfaces for seamless integration.
Compatible with ALLEN-BRADLEY ControlNet networks, including PLC-5, ControlLogix, and SLC 500 platforms.
Rugged industrial design rated for -20°C to +60°C operating temperature, ensuring reliable performance in demanding conditions.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The ALLEN-BRADLEY 1786-RPFM ControlNet Medium-Distance Fiber Module is a critical component for extending ControlNet communication over fiber optic media, designed to bridge distances up to 3 kilometers in industrial environments. This module converts electrical ControlNet signals to optical signals, enabling reliable data transmission in electrically noisy areas or across large facilities. The 1786-RPFM supports multimode fiber and is fully compliant with the ControlNet specification, offering deterministic, real-time control for PLC and DCS systems. Its compact form factor and DIN-rail mounting simplify integration into existing control cabinets, while the built-in diagnostics aid in network troubleshooting. Below are the detailed technical specifications for this module.

Parameter	Specification
Product Type	ControlNet Medium-Distance Fiber Module
Catalog Number	1786-RPFM
Network Protocol	ControlNet (CIP-based)
Fiber Cable Type	Multimode Fiber (50/125 µm or 62.5/125 µm)
Maximum Distance	3 km (1.86 miles) over multimode fiber
Optical Connector	SC (Standard Connector) or ST (Straight Tip) – depending on variant
Electrical Connector	BNC (for ControlNet coaxial cable)
Data Rate	5 Mbps (ControlNet standard)
Power Supply Voltage	24 VDC (nominal), 19.2–28.8 VDC range
Power Consumption	3.5 W (typical)
Isolation Voltage	1500 VAC (optical isolation between electrical and fiber ports)
Operating Temperature	-20°C to +60°C (-4°F to +140°F)
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Humidity	5% to 95% non-condensing
Shock Rating	30 g (operational), 50 g (non-operational)
Vibration Rating	5 g Standard Models 10–500 Hz
Enclosure Type	Open-style, DIN-rail mountable
Dimensions (H x W x D)	4.5 x 2.2 x 4.5 inches (114 x 56 x 114 mm)
Weight	0.5 lbs (0.23 kg)
LED Indicators	Power, Network Status, Link Activity, Fault
Certifications	UL Listed, CE Mark, CSA Certified, ATEX (Zone 2) optional
Compatibility	ControlNet PLC-5, ControlLogix, SLC 500, and other ControlNet devices
Warranty	1 year (extended available)