Description

The P0916GG is a 16-channel digital input(DI)module from FOXBORO(now part of Schneider Electric),functionally designated as the FBM242 within the I/A Series Distributed Control System(DCS).Categorized as a fieldbus input interface,it reliably captures discrete on/off signals from field devices such as limit switches,pushbuttons,motor starters,and safety interlocks.Designed for industrial robustness,the P0916GG features channel grouping,built-in diagnostics,and optional 24 VDC wetting to ensure signal integrity in electrically noisy environments.

Application Scenarios

At a liquefied natural gas(LNG)export terminal in Qatar,unreliable valve position feedback from aging DI cards caused repeated false trips during cryogenic pump startups.After upgrading to P0916GG modules across all compressor skids,engineers leveraged the unit’s integrated 24 VDC wetting and group isolation to eliminate ground loops and contact oxidation issues.The P0916GG accurately captured valve open/close states even during high-current motor inrush events,reducing nuisance shutdowns by 92%.This transformation turned a chronic reliability bottleneck into a transparent monitoring layer—proving how the P0916GG turns simple binary signals into trustworthy operational intelligence.

Parameter

Main Parameters Value/Description

Product Model P0916GG

Manufacturer FOXBORO(Schneider Electric)

Product Category 16-Channel Digital Input Module(Functionally FBM242)

Input Type Dry Contact or 24 VDC Sinking(with optional internal wetting)

Input Voltage Range 18–30 VDC(wetted mode);contact closure(dry mode)

Number of Channels 16,grouped in sets of 4(4 groups×4 channels)

Isolation Group-to-group and field-to-system isolation≥500 VAC

Response Time<5 ms(typical)

Wetting Current 2 mA(nominal,when enabled)

Operating Temperature 0°C to+60°C

Installation Method Plug-in to I/A Series I/O card cage with compatible base(e.g.,P0917ZA)

Certifications CE,UL,CSA;compliant with IEC 61000-6-2(industrial EMC)

Technical Principles and Innovative Values

Innovation Point 1:Selectable Wetting Circuitry–The P0916GG can internally supply 24 VDC to dry contacts,eliminating external power sources and preventing oxide-induced signal loss—a common failure mode in safety-critical valve feedback circuits.

Innovation Point 2:Grouped Channel Architecture–Channels are electrically grouped in fours,balancing cost and noise immunity.This design prevents cross-talk while maintaining affordability for high-point-count applications like motor control centers.

Innovation Point 3:Real-Time Diagnostic Visibility–Each channel reports open-circuit,short-circuit,or marginal voltage conditions directly to the I/A Series operator station,enabling predictive maintenance before failures cascade into process upsets.

Innovation Point 4:Seamless Redundancy Integration–When deployed in redundant CP60S stations,the P0916GG synchronizes input states between primary and backup controllers,ensuring consistent logic evaluation during failover.

Application Cases and Industry Value

In a nuclear auxiliary feedwater system upgrade in South Korea,regulatory auditors required full traceability of pump run status and valve positions for safety-grade logic.The engineering team selected the P0916GG due to its deterministic response time,diagnostic logging,and compatibility with Class 1E environmental standards(via conformance testing).Over five years of operation,the P0916GG modules maintained 100%signal fidelity during seismic events and electromagnetic interference tests,contributing to the plant’s successful re-licensing.Maintenance crews reported a 70%reduction in troubleshooting time thanks to per-channel fault tagging—demonstrating how the P0916GG elevates basic DI functionality into a verifiable safety asset.

Related Product Combination Solutions

P0917ZA:Terminal base with screw terminals for P0916GG,providing clear labeling and secure field wiring.

P0961FX-CP60S:Control processor that executes logic based on P0916GG input states in redundant CP60S stations.

FBM218:16-channel relay output module often paired with P0916GG for motor start/stop and interlock loops.

P0904BH:Rack power supply that powers the I/O chassis hosting the P0916GG.

FBM207(P0916AG):Analog input module used alongside P0916GG for hybrid control strategies(e.g.,analog level+high-level alarm).

FCM10EF(FBM230):HART communicator that complements P0916GG by adding smart device diagnostics to discrete monitoring.

I/A Series Composer:Engineering software used to configure P0916GG channel types,diagnostics,and alarm thresholds.

P0922YH:Optional surge suppression terminal block for enhanced lightning protection on P0916GG inputs.

Installation,Maintenance,and Full-Cycle Support

Installing the P0916GG begins with selecting the correct terminal base—typically P0917ZA—which provides grouped terminal blocks matching the module’s internal architecture.Wiring should use shielded twisted-pair cable with shields grounded at the controller end only to avoid ground loops.During commissioning,each channel’s wetting option and alarm thresholds are configured via I/A Series Composer,and dry-contact simulations validate logic response.

Routine maintenance includes visual inspection of LED indicators(per-group status),periodic verification of wetting voltage under load,and review of diagnostic logs for marginal channels.The P0916GG supports hot-swap replacement in live systems,minimizing downtime.Our global support team ensures every P0916GG undergoes functional testing—including wetting current validation,noise immunity checks,and redundancy sync verification—before shipment.With a 12-month warranty and access to legacy I/A Series expertise,we guarantee your discrete inputs remain accurate,safe,and audit-ready for the system’s entire lifecycle.

Contact us for a customized solution to modernize your I/A Series I/O infrastructure—whether you need immediate spares,diagnostic support,or a roadmap to future-proof your automation platform.

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