OVERVIEW

Official designation: Allen-Bradley 1786-RPFS (ControlNet Repeater, Repeater Short-Distance Fiber Module)

Role/Application: Repeater module used in ControlNet networks to extend segment distance, enable star/ring/point-to-point topologies, and convert media from copper to fiber.

KEY SPECS SUMMARY

Power: 24 Volts DC (from repeater adapter)

Interfaces / Ports: Dual fiber optic channel

Indicators: Power Status, Channel 1 and 2 Status LEDs

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: DIN rail mounting, ControlNet network

Limit: Maximum distance 300 meters

Lifecycle: Existing Product

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the typical operating wavelength for the 200/230 micron HCS fiber link?

A: The fiber operating wavelength for the short-distance module is specified at 650 nanometers (red).

Wiring & Installation:

Q: What is the required input current draw for the 1786-RPFS repeater module?

A: The module has a backplane current draw of 300 milliamperes from the repeater adapter.

Troubleshooting & Compatibility:

Q: What is the maximum distance supported by the short-distance fiber repeater module?

A: The 1786-RPFS module supports a maximum distance of 300 meters between ControlNet modules.

Replacement & Upgrades:

Q: What is the primary difference in fiber type between the 1786-RPFS and 1786-RPFM modules?

A: The 1786-RPFS uses 200/230 micron HCS fiber, while the 1786-RPFM uses 62.5/125 micron multi-mode fiber.