Foxboro FBM215 / FBM218 Redundant‑Ready HART Communication Output Module Pair

Technical Specifications

Model:FBM215(P0922VU),FBM218(P0922VV)

Brand:Foxboro

System compatibility:I/A Series DCS Compact‑200‑series fieldbus I/O subsystem,works with FCP/FCM controller,two modules installed on adjacent baseplate slots with redundant adapter for hot‑standby configuration,matched with corresponding termination assembly and pre‑terminated cable assembly

Function:Redundant‑ready HART‑capable analog output module pair,FBM215 acts as primary module,FBM218 acts as hot‑standby backup module,8‑channel per‑channel galvanic‑isolated 4‑20.4mA analog output,each channel integrated dedicated HART FSK modem for bidirectional communication with HART valve positioners and current‑input actuators,supports HART universal and common‑practice commands,burst mode not supported,max two HART digital messages per‑channel per second,configurable rate‑of‑change‑limit and fail‑safe output‑state parameters,automatic primary‑backup switch‑over upon primary module fault without interrupting process‑control loops

Installation:Compact‑200‑series baseplate‑mount installation,FBM215 and FBM218 occupy two adjacent baseplate slots,requires redundant adapter hardware,share one common field termination assembly and cable assembly

Output channel:8‑channel 4‑20.4mA analog output,true per‑channel galvanic isolation,max 550Ω field load resistance per channel,output short‑circuit current limited to approx 25mA

Circuit feature:High‑precision D/A conversion,per‑channel over‑voltage‑over‑current protection,output‑loop fault detection,complies with HCF_SPEC‑54 HART physical‑layer standard,1200 baud half‑duplex HART communication

Feature:Support hot‑swap online replacement without subsystem power‑off,redundant 2Mbps fieldbus communication with FCP/FCM controller,hardware‑level hot‑standby redundancy,per‑channel isolation eliminates cross‑channel ground‑loop interference,compact mechanical outline for cabinet space‑saving deployment

Diagnostic:Front‑panel multi‑color LED indicators for power,fieldbus communication and primary‑standby status,HART device diagnostic data and output‑loop fault status passed to DCS system

Power supply:24VDC via Compact‑200‑series baseplate backplane,typical power consumption ≤7W per single module

Protection:Transient surge absorption for each signal channel

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

Housing:Aluminum alloy metal housing,slot‑in mechanical locking structure

Protection class:IP20

Horizontal operating temperature:‑20℃ ~ +70℃

Storage temperature:‑40℃ ~ +85℃

Relative humidity:5%‑95% non‑condensing

Weight:0.32kg per single module

Dimensions:45mm ×110mm ×115mm per single module

Certification:CE,UL

Built‑in function

FBM215/FBM218 redundant‑pair HART analog output modules convert DCS control commands to 4‑20mA output current for field HART valve positioners and actuators for Foxboro I/A‑Series DCS critical‑control‑loop applications. It adopts true per‑channel galvanic‑isolation architecture. Independent per‑channel HART modem realizes bidirectional parameter reading‑writing and diagnosis for HART field instruments. When primary FBM215 fails,FBM218 automatically takes over without process‑loop interruption. Hot‑swap supports online replacement of faulty module without system shutdown,widely applied for valve‑position‑control‑loop maintenance in petrochemical,chemical and power‑plant facilities

Product Brief

FBM215/FBM218 belongs to Foxboro I/A Series legacy DCS Compact‑200‑series‑redundant‑per‑channel‑isolated‑HART‑analog‑output spare‑part family,obsolete original hot‑standby redundant‑pair module component. Must adopt adjacent‑slot installation on Compact‑200‑series dedicated baseplate and install redundant adapter,match with corresponding termination assembly. Widely used for original Foxboro DCS equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation.