Foxboro FCM2F2 Fiber Optic Fieldbus Communication Module

Technical Specifications

Model:FCM2F2

Brand:Foxboro

System compatibility:I/A Series DCS system,works with FBM200 series fieldbus I/O modules

Function:Fiber‑optic fieldbus extender,convert electrical fieldbus signal to multi‑mode optical signal for remote FBM subsystem extension

Installation:Standard DIN‑rail mounting inside instrument cabinet

Fiber interface:Dual multi‑mode ST‑type fiber optic connectors

Communication rate:2Mbps HDLC fieldbus communication

Max transmission distance:2000m for multi‑mode fiber

Feature:Support hot‑swap online replacement without system power‑off

Diagnostic:On‑board multi‑color LED indicators for power,fieldbus link and fiber‑channel fault alarm

Power supply:24VDC module power input

Protection:Built‑in transient surge protection on power and signal circuit

Environmental standard:Compliant with ISA‑S71.04 Class G3 industrial atmospheric condition

Housing:Aluminum ribbed heat‑dissipation housing,anti‑vibration mechanical reinforcement

Protection class:IP20

Horizontal operating temperature:0℃ ~ +60℃

Vertical operating temperature:‑20℃ ~ +55℃

Storage temperature:‑40℃ ~ +85℃

Relative humidity:5%‑95% non‑condensing

Weight:0.62kg

Dimensions:125mm × 86mm × 42mm

Certification:CE,UL

MTBF:>89000 hours

Built‑in function

FCM2F2 fiber‑optic fieldbus communication module converts electrical fieldbus signal into optical signal,to realize long‑distance transmission between DCS control node and remote FBM I/O subsystems. Optical transmission completely isolates ground‑loop interference and electromagnetic noise from industrial site. Dual ST multi‑mode fiber interfaces support stable fieldbus extension. Hot‑swap function supports online module replacement and reduces plant downtime risk. LED diagnostic indicators help technicians rapidly locate power,bus link and fiber‑channel abnormal conditions,widely applied for distributed remote‑I/O layout in petrochemical,chemical and power‑plant DCS projects.

Product Brief

FCM2F2 belongs to Foxboro I/A‑Series legacy DCS communication spare‑part family,obsolete original fieldbus extender component. Must be matched with multi‑mode ST fiber cable and corresponding FBM baseplate assembly. Widely used for original Foxboro DCS equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation and fiber‑connector handling.