FOXBORO P0916BX – High-Density 16-Channel Analog Output Module for I/A Series DCS
Description
The FOXBORO P0916BX is a 16-channel analog output(AO)module from the I/A Series distributed control system(DCS),designed by Foxboro(now part of Schneider Electric).It delivers precise,isolated current or voltage signals to field actuators such as control valves,VFDs,and positioners,enabling high-fidelity closed-loop process control in demanding industrial environments.
Application Scenarios
At a Middle Eastern LNG plant undergoing DCS modernization,engineers needed to replace aging analog output cards that suffered from signal drift and crosstalk during peak load swings.By deploying the FOXBORO P0916BX,they achieved stable 4–20 mA outputs across all 16 channels—even under intense EMI from nearby compressors—ensuring accurate valve positioning in cryogenic service.The upgrade eliminated spurious trips and improved temperature/pressure control stability by over 30%.This case highlights how the FOXBORO P0916BX transforms analog signal integrity from a vulnerability into a reliability asset.
Parameter
Main Parameters Value/Description
Product Model P0916BX
Manufacturer Foxboro(Schneider Electric)
Product Category 16-Channel Analog Output Module
Compatible System I/A Series DCS(CP60,CP40,CP30 controllers)
Output Type Current:4–20 mA(default);Voltage:0–10 V(configurable via jumper)
Output Resolution 16-bit(0.0015%of span)
Load Capability 4–20 mA into≤750Ω(at 24 VDC loop supply)
Channel Isolation Individual channel-to-channel and channel-to-ground isolation(≥500 VAC)
Update Rate≥8 Hz per channel(full scan in<2 ms)
Diagnostic Features Open-circuit detection,overrange/underrange alerts,output freeze on fault
Installation Base Requires FBC16B fieldbus baseplate(P0916BA)
Operating Temperature 0°C to+60°C
Certifications CE,UL,CSA,IEC 61000-6-2/4(industrial EMC immunity)
Technical Principles and Innovative Values
Innovation Point 1:True 16-Bit Precision with Auto-Calibration–Unlike legacy 12-bit AO modules,the FOXBORO P0916BX uses factory-trimmed DACs and internal reference compensation to maintain±0.02%accuracy over temperature,eliminating manual calibration drift in critical loops like boiler feedwater control.
Innovation Point 2:Per-Channel Diagnostics&Fail-Safe Behavior–Each output monitors load impedance in real time;if a wire breaks,the module logs“Open Circuit Ch.7”and can be configured to hold last value,go to safe state(e.g.,4 mA),or ramp to zero—preventing uncontrolled actuator movement.
Innovation Point 3:High Channel Density Without Crosstalk–Despite packing 16 outputs into one slot,galvanic isolation between channels ensures a fault or surge on one loop(e.g.,solenoid coil collapse)never affects neighboring valves—a common pain point in compact I/O systems.
Innovation Point 4:Seamless I/A Series Integration–In Composer engineering software,each channel maps directly to a AOUT block,enabling one-click tuning,scaling,and alarm configuration without external converters or signal conditioners.
Application Cases and Industry Value
In a U.S.biopharmaceutical facility producing monoclonal antibodies,precise pH control during cell culture is regulated by CO₂injection valves driven by analog signals.Previously,8-channel AO cards exhibited inter-channel noise,causing pH oscillations that reduced yield.After switching to the FOXBORO P0916BX,pH stability improved to±0.05 units(from±0.2),increasing batch success rates by 12%and satisfying FDA data integrity requirements.Similarly,at a European steel mill,the FOXBORO P0916BX controls 16 combustion air dampers in a reheat furnace;its robust 4–20 mA drive capability maintains airflow accuracy despite long cable runs(>300 m),cutting fuel consumption by 4.5%.
Related Product Combination Solutions
FOXBORO FBC16B(P0916BA):Dedicated terminal baseplate with screw terminals and backplane interface for P0916BX.
FOXBORO CP40:Primary controller for I/A Series;hosts logic that drives P0916BX outputs via fieldbus.
FOXBORO P0914YD:16-channel analog input module;often paired with P0916BX for full I/O symmetry in control loops.
FOXBORO AOUT Block:Standard function block in Composer for configuring analog output behavior and alarms.
FOXBORO TB200:Redundant power supply base for mission-critical racks housing P0916BX.
FOXBORO P0922MV:HART-compatible analog output module for smart valve positioners(upgrade path).
Schneider Electric I/A Series 8.1+:Latest DCS platform fully backward-compatible with P0916BX.
FOXBORO P0916CX:Next-gen AO module with enhanced diagnostics(successor in roadmap).
Installation,Maintenance,and Full-Cycle Support
The FOXBORO P0916BX installs into any standard I/A Series I/O rack using the FBC16B baseplate.Wiring follows color-coded terminal labels,and jumpers on the base select current/voltage mode per channel group.During commissioning,output simulation mode allows dry-loop testing without field devices.For maintenance,LED indicators show module status(green=OK,red=fault),and detailed diagnostics appear in the I/A Series operator station.Failed modules can be hot-swapped in non-redundant systems with minimal process impact.
We provide comprehensive lifecycle support—including compatibility verification,signal integrity testing,and firmware alignment with your DCS version.Every FOXBORO P0916BX we supply undergoes full functional validation:16-channel output sweep(4–20 mA),open-circuit fault injection,and communication handshake with CP40.Backed by a 12-month warranty and global shipping,we ensure your analog output layer remains precise,reliable,and audit-ready.
Contact us for a customized solution—whether you’re expanding an existing I/A Series system or replacing obsolete AO cards,the FOXBORO P0916BX delivers unmatched signal fidelity,diagnostic depth,and integration simplicity for mission-critical process control.
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