FCM2F2 FOXBORO Fiber Optic Extender Module

FCM2F2 FOXBORO Fiber Optic Extender Module | New & Original Stock

Availability: 10 left in stock

FOXBORO FCM2F2 RH914YZ Fieldbus Communication Module The FOXBORO FCM2F2, also cataloged as the FOXBORO RH914YZ Fieldbus Communication Module, operates as...

SKU: FCM2F2 RH914YZ

Manufacturer: Foxboro
Product No.: FCM2F2 RH914YZ
Product Type: Fieldbus Communication Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 250g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

FOXBORO FCM2F2 RH914YZ Fieldbus Communication Module

The FOXBORO FCM2F2, also cataloged as the FOXBORO RH914YZ Fieldbus Communication Module, operates as a dedicated hardware component for 2 Mbps fiber optic fieldbus extension within Foxboro I/A Series DCS networks.

Hardware Specifications

Parameter	Specification
Model	FCM2F2
Part Number	RH914YZ
Brand	FOXBORO (Invensys / Schneider Electric)
Module Type	2 Mbps Fiber Optic Fieldbus Extender
Platform Compatibility	Foxboro I/A Series DCS
Communication Rate	2 Mbps deterministic data velocity
Physical Media	Fiber optic cabling interface
Isolation	Channel-to-channel and channel-to-bus isolation
Power Supply	Supplied via standard FBM/FCM baseplate
Operating Temp	0 to 60 deg C
Protection Rating	IP20 enclosure protection
Weight	0.25 kg
Origin	Mexico

DCS Process Control and Loop Protocols

The FOXBORO FCM2F2 establishes high-speed, isolated communication links between remote Fieldbus Modules (FBMs) and centralized control processors. Utilizing a 2 Mbps optical signaling rate, this fiber optic extender maintains rigid 4-20 mA HART loop protocol translation over extended physical distances without signal attenuation. The fiber optic layer inherently enforces complete galvanic channel-to-bus isolation, blocking common-mode voltages and eliminating localized ground loops. This optical isolation setup prevents electromagnetic interference from corrupting critical analog process measurements or disrupting the timing parameters required for accurate cold junction compensation across the distributed node network.

Frequently Asked Questions

Q: What are the backplane power supply considerations when installing an FCM2F2 on an existing baseplate slot?

A: The module draws its operating current directly from the shared baseplate power bus rails. System configuration requires tracking the cumulative current budget of all populated FCM and FBM modules to verify that total consumption matches the local rack power supply limitations.

Q: How does the module handle a sudden loss of fiber optic signal continuity?

A: If optical link degradation or signal loss occurs, the internal communication logic triggers the on-board LED diagnostics and broadcasts a fieldbus fault packet to the DCS processor, driving dependent loops to their configured safe default states.

Q: Can the FCM2F2 module firmware be updated over the active fiber optic fieldbus link?

A: Firmware flash compatibility parameters restrict live, remote updates over the 2 Mbps optical link. Upgrades must be conducted through specialized system management tools via a direct local bus connection while the module is offline.

Field Installation Guidelines

Baseplate Engagement: Slide the module vertically into the designated baseplate slot guides until the backplane connectors line up perfectly. Secure the mechanical retention fasteners to prevent module shifting from continuous cabinet vibration.
Fiber Optic Fiber Handling: Maintain a bend radius greater than the minimum specified by the cable manufacturer for the fiber lines. Avoid sharp bends near the module interface ports to prevent optical signal losses or glass core micro-fractures.
Optical Port Hygiene: Keep protective dust caps installed on the fiber optic ports until the final termination step. Clean all fiber optic connector ferrule faces with approved optical switches prior to insertion into the module.
Cabinet Signal Segregation: Route the fiber optic cables apart from high-voltage AC motor wires and power distribution lines to protect the overall wiring assembly from physical degradation or thermal damage.

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