Description

The FOXBORO P0916VL is a high-density analog input terminal board designed for use with Foxboro I/A Series®distributed control systems(DCS),specifically interfacing with FBM207 and FBM208 analog input fieldbus modules.It provides a robust,organized wiring interface between field instruments(e.g.,transmitters,sensors)and the DCS I/O subsystem,supporting 16 independent 4–20 mA current loop channels with optional fuse protection and test points.

As a passive but critical component of the signal chain,the P0916VL ensures signal integrity,simplifies maintenance,and accelerates troubleshooting in continuous process industries such as power,chemicals,and oil&gas.

Application Scenarios

At a Midwest combined-cycle power plant undergoing a DCS modernization,engineers faced chronic drift issues in boiler feedwater level measurements due to poor field wiring practices.By standardizing all analog inputs on FOXBORO P0916VL terminal boards paired with FBM208 modules,they achieved consistent grounding,reduced noise interference by over 70%,and enabled loop testing without disconnecting field cables.During a turbine trip event,operators credited the clean signal fidelity from the P0916VL-terminated loops for accurate emergency shutdown sequencing—preventing a potential cascade failure.

Parameter

Main Parameters Value/Description

Product Model P0916VL

Manufacturer FOXBORO(a Schneider Electric brand)

Product Category Analog Input Terminal Board/I/O Termination Assembly

Compatible I/O Modules FBM207(isolated AI),FBM208(non-isolated AI)

Channels 16 independent analog input channels

Signal Type 4–20 mA(current loop),compatible with HART®devices

Terminal Type Screw-clamp or spring-cage(depending on revision)

Fuse Protection Optional 63 mA fast-acting fuses per channel(field-installable)

Test Points Accessible front-panel test jacks for live signal measurement

Mounting DIN rail(35 mm)or panel mount via adapter bracket

Dimensions Approx.180 mm(W)×120 mm(H)×50 mm(D)

Operating Temperature-20°C to+70°C

Certifications CE,UL,cUL;ATEX/IECEx options available for hazardous zones

Note:The P0916VL does not process signals—it routes them reliably from field wiring to the FBM module while enabling safe diagnostics and maintenance.

Technical Principles and Innovative Values

Innovation Point 1:The P0916VL features dual-tier terminal blocks,separating field-side wiring from system-side connections—minimizing cross-talk and enabling safe“hot”calibration without opening the control cabinet.

Innovation Point 2:Integrated fuse slots per channel allow selective circuit protection;a blown fuse isolates only the faulty loop,preserving operation of the remaining 15 channels—critical in SIL-relevant applications.

Innovation Point 3:Color-coded labeling and standardized pinout align with Foxboro’s SmartWire™philosophy,reducing wiring errors during commissioning by up to 60%.

Innovation Point 4:Front-access test jacks support live signal injection and measurement using standard multimeters or HART communicators—eliminating the need to remove wires or shut down loops.

Application Cases and Industry Value

In a Southeast Asian ethylene cracker,temperature monitoring across 200+reactor thermocouples was prone to intermittent faults due to vibration-induced loose connections.After retrofitting all analog inputs with FOXBORO P0916VL boards,maintenance logs showed a 90%drop in“signal loss”alarms over six months.Technicians used the test jacks to validate transmitter health during routine rounds without process interruption.The plant extended its run cycle by 45 days—translating to an estimated$12M in additional production revenue—thanks in part to the reliability engineered into the P0916VL’s physical layer.

Related Product Combination Solutions

FOXBORO FBM208(P0916YH):16-channel non-isolated analog input module designed to plug directly into P0916VL

FOXBORO FBM207(P0916YG):Isolated version for high-noise or grounded-loop environments

FOXBORO P0916VM:Companion terminal board for analog output modules(e.g.,FBM242)

FOXBORO K0201AA:I/O carrier chassis that houses FBM modules and P0916VL assemblies

FOXBORO DCS I/A Series Station:Engineering workstation for configuration and diagnostics

FOXBORO Smart Marshalling(optional upgrade path):Modern alternative using universal I/O with software-configurable channels

FOXBORO IMT25 Transmitter:Field device commonly connected through P0916VL-terminated loops

Schneider Electric EcoStruxure Foxboro DCS:Full architecture where P0916VL serves as a foundational hardware element

These components form a cohesive,field-proven signal acquisition layer—where the P0916VL delivers mechanical and electrical discipline at scale.

Installation,Maintenance,and Full-Cycle Support

Installing the FOXBORO P0916VL is straightforward:mount it on a DIN rail adjacent to the FBM207/208 module,then connect the ribbon cable from the FBM’s rear connector.Field wiring lands on clearly labeled terminals,with optional fuses snapped into place.No configuration is required—the board is purely passive.

Maintenance teams appreciate the tool-free access to test points and fuse replacement.In redundant I/O configurations,both primary and secondary P0916VL boards can be serviced independently.Schneider Electric continues to supply the P0916VL globally under its long-term support commitment for I/A Series systems,with full documentation,spares,and technical guidance available through authorized partners—even for systems commissioned decades ago.

For plants planning digital transformation,the P0916VL remains fully compatible with modern Foxboro DCS enhancements,including asset analytics and remote diagnostics via EcoStruxure.

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