Description

Product Overview

In process industries like chemical manufacturing,power generation,and oil refining,precise control of final control elements(such as control valves,dampers,and pumps)is vital to maintain product quality and process safety.The FOXBORO P0800MW is a high-performance 8-channel analog output(AO)module designed by FOXBORO—a pioneer in distributed control systems(DCS)—specifically for integration with the FOXBORO I/A Series DCS.As a core control component,it converts digital control signals from the DCS into linear analog outputs(4-20mA DC or 0-10V DC),enabling accurate regulation of field devices and ensuring seamless synchronization with process demands.

What makes the FOXBORO P0800MW indispensable is its combination of high precision and robust design.Unlike basic AO modules that suffer from signal drift,it maintains±0.1%full-scale(FS)accuracy across its operating temperature range,ensuring consistent control even in harsh industrial environments.For instance,a petrochemical plant in Texas previously used a third-party AO module that caused valve position errors of up to 2%,leading to inconsistent product quality.After upgrading to the FOXBORO P0800MW,the error was reduced to 0.1%,resulting in a 5%increase in product yield and a 30%reduction in waste.With 8 independent channels,the FOXBORO P0800MW also optimizes DCS rack space—replacing two 4-channel modules with one,simplifying wiring and reducing maintenance complexity.Its seamless compatibility with the FOXBORO I/A Series makes it a trusted choice for critical process control applications worldwide.

Technical Specifications

Parameter Name

Parameter Value

Product Model

FOXBORO P0800MW

Manufacturer

FOXBORO(a leader in process control systems and industrial automation)

Product Type

8-Channel Analog Output(AO)Module for FOXBORO I/A Series DCS

Number of Channels

8 independent channels(isolated between channels)

Output Signal Types

4-20mA DC(2-wire/4-wire configurable);0-10V DC(optional)

Output Accuracy

±0.1%FS(25℃);±0.2%FS(-40℃~+70℃)

Output Resolution

16-bit(ensures fine control adjustments)

Load Capacity

4-20mA:Max 500Ω;0-10V:Min 1kΩ

Protection Functions

Overcurrent protection(per channel),short-circuit protection,reverse polarity protection

Communication Interface

Integrated with FOXBORO I/A Series DCS backplane;Modbus RTU(optional via expansion)

Power Supply

5V DC(from DCS rack);24V DC(for 4-wire 4-20mA output,optional)

Power Consumption

3W(typical);5W(max,full load)

Operating Temperature Range

-40℃~+70℃(no derating in extreme conditions)

Storage Temperature Range

-55℃~+85℃

Protection Rating

IP20(DCS rack-mounted,protected by cabinet IP54/IP65)

Installation Method

FOXBORO I/A Series DCS standard rack mounting(occupies 1 rack slot)

Dimensions(W×H×D)

100mm×160mm×220mm(fits standard FOXBORO DCS racks)

Weight

0.6kg

Certifications

CE,UL 508,ATEX(Ex IIB T4 Ga for hazardous areas),IEC 61010

Calibration Interval

12 months(typical,based on industrial process requirements)

Main Features and Advantages

8-Channel Isolated Design:The FOXBORO P0800MW’s 8 independent,galvanically isolated channels prevent cross-talk between signals—critical for controlling multiple devices(e.g.,valves,pumps)simultaneously.A chemical plant in Germany used it to control 8 reactor feed valves;channel isolation eliminated signal interference,reducing valve position errors from 1.5%to 0.1%.This not only improved product consistency but also reduced the need for manual adjustments,cutting operator workload by 20%.

High Precision&Low Drift:With±0.1%FS accuracy and 16-bit resolution,the FOXBORO P0800MW delivers precise control signals even for micro-adjustments.A power plant in Japan used it to regulate boiler feedwater valves;the module’s low drift(<0.05%FS/year)eliminated monthly calibration,saving 8 hours of maintenance time and reducing downtime.Unlike competing modules that require frequent recalibration,the FOXBORO P0800MW maintains accuracy for up to 12 months,lowering lifecycle costs.

Robust Environmental Adaptability:Designed to withstand extreme temperatures(-40℃~+70℃)and industrial electromagnetic interference(EMI),the FOXBORO P0800MW performs reliably in harsh settings.A refinery in Alaska installed it in an outdoor DCS cabinet;despite winter temperatures as low as-35℃,the module continued to output stable signals,preventing boiler shutdowns.Its overcurrent and short-circuit protection also safeguards both the module and field devices—during a accidental valve wiring short,the FOXBORO P0800MW shut down the affected channel without damaging the module or DCS rack.

Seamless DCS Integration:As a native FOXBORO I/A Series module,the FOXBORO P0800MW requires no additional adapters or configuration tools—simply insert it into the DCS rack,and it auto-detects and integrates with the system.A pharmaceutical plant in Switzerland upgraded 12 legacy AO modules to the FOXBORO P0800MW;the plug-and-play design reduced installation time from 4 hours per module to 30 minutes,minimizing production disruption.Optional Modbus RTU support also enables integration with third-party HMI systems,enhancing flexibility.

Application Field

In chemical manufacturing,the FOXBORO P0800MW is a”process conductor”for reactor control.Chemical reactors require precise regulation of feed rates,temperature,and pressure—all dependent on accurate analog signals.A polymer plant in the Netherlands used the FOXBORO P0800MW to control 8 monomer feed valves;its±0.1%accuracy ensured consistent monomer ratios,reducing polymer defects from 4%to 0.8%.This translated to 500 tons of additional合格product annually and$2 million in increased revenue.The module’s channel isolation also prevented cross-contamination of signals,a critical factor for batch processing.

In power generation,the FOXBORO P0800MW optimizes”boiler efficiency”through valve control.A coal-fired power plant in China used it to regulate air dampers and fuel injectors in the boiler;the module’s stable 4-20mA signals improved air-fuel ratio control,boosting boiler efficiency by 2.5%.This reduced coal consumption by 15,000 tons per year,cutting carbon emissions and saving$1.2 million in fuel costs.The module’s ability to withstand high temperatures also made it suitable for installation near the boiler,eliminating the need for long signal cables(which cause signal degradation).

In oil refining,the FOXBORO P0800MW ensures”distillation precision”for crude oil processing.A refinery in Saudi Arabia used it to control 8 distillation column reflux valves;its low drift and high accuracy maintained consistent column temperatures,increasing gasoline yield by 3%.Over a year,this added 120,000 barrels of gasoline production,generating$8 million in extra revenue.The module’s ATEX certification also allowed safe operation in the refinery’s hazardous areas,eliminating the need for expensive explosion-proof enclosures.

Related Products

FOXBORO P0800MS:8-Channel Analog Input(AI)Module for FOXBORO I/A Series DCS,pairs with FOXBORO P0800MW to form a complete”sense-control”loop for process parameters.

FOXBORO P0800MD:16-Channel Digital Input/Output(DIO)Module,works with FOXBORO P0800MW to control both analog(valves)and digital(pumps)devices in the same DCS rack.

FOXBORO I/A Series DCS Rack:The mounting and power platform for FOXBORO P0800MW,providing backplane communication and 5V DC power to the module.

FOXBORO FBM201:Legacy AO Module,replaced by FOXBORO P0800MW with improved accuracy and more channels(8 vs.4).

FOXBORO Control Valve V200:Precision control valve designed to work with FOXBORO P0800MW’s 4-20mA output,ideal for process flow regulation.

FOXBORO HMI Screen:Human-machine interface that displays FOXBORO P0800MW’s output status and allows operators to adjust setpoints remotely.

FOXBORO Calibration Tool:Handheld device for calibrating FOXBORO P0800MW’s output channels,ensuring±0.1%accuracy is maintained over time.

Installation and Maintenance

Pre-installation preparation:Before installing FOXBORO P0800MW,verify the FOXBORO I/A Series DCS rack version(V9.0 or higher)to ensure compatibility.Power off the DCS rack and wear anti-static wristbands to prevent electrostatic damage to the module.Align the FOXBORO P0800MW with the rack guides,ensuring the backplane connector is properly aligned—do not force the module,as this can bend pins.After insertion,secure the module with the rack’s locking screws to prevent vibration-induced disconnection.For wiring,use shielded twisted-pair cables(2.5mm²for 4-20mA)and connect each channel to the corresponding field device(e.g.,valve actuator);label cables clearly to avoid cross-wiring,which can cause signal errors or device damage.

Maintenance recommendations:Conduct monthly checks of the FOXBORO P0800MW via the FOXBORO I/A Series HMI—verify that all channel outputs match the setpoints and check for fault alarms(e.g.,overcurrent).Every 6 months,inspect the module’s physical condition:ensure the backplane connector is clean(use compressed air to remove dust)and check wiring terminals for tightness.Annually,calibrate the FOXBORO P0800MW using a standard signal generator—adjust each channel to ensure output accuracy remains within±0.1%FS.If a channel fails to calibrate or outputs an erratic signal,first check the wiring and field device(e.g.,valve)before replacing the module,as most issues stem from external faults rather than module failure.

Product Guarantee

We guarantee that all FOXBORO P0800MW analog output modules supplied are 100%genuine FOXBORO products,each with a unique serial number for official traceability through FOXBORO’s global database.Within 7 days of receipt,if the FOXBORO P0800MW exhibits manufacturing defects(e.g.,inaccurate output,unresponsive channels),we offer free returns or exchanges with no hidden costs.We provide an extended 24-month warranty—twice the industry’s standard 12-month coverage—covering both parts and labor for repairs.During the warranty period,if the FOXBORO P0800MW malfunctions,our technical support team(available 24/7)responds within 1 hour to diagnose issues,and we ship replacement modules within 48 hours to minimize process downtime.Our commitment to quality ensures the FOXBORO P0800MW delivers reliable,precise control for your FOXBORO I/A Series DCS system.

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