Description​

The ABB XVC722AE101 3BHB002751R0101 is a high-precision analog output(AO)module developed by ABB(formerly Bailey),exclusively designed for integration with the ABB Bailey INFI 90 Distributed Control System(DCS).As a core component in industrial process control,this 8-channel module specializes in converting digital control commands from the DCS into precise analog signals(4-20mA DC or 0-10V DC),enabling accurate regulation of field actuators such as control valves,variable frequency drives(VFDs),and hydraulic servos.​

Engineered for reliability in demanding industries,the ABB XVC722AE101 3BHB002751R0101 features exceptional measurement accuracy(±0.1%of full scale),robust channel-to-channel electrical isolation,built-in short-circuit protection,and real-time self-diagnostics.Its compatibility with Bailey INFI 90 backplane bus ensures seamless integration with existing systems,while its compact 1-slot design optimizes cabinet space.This module is widely used in power generation,chemical processing,oil refining,and steel manufacturing—where precise,stable analog control is critical for maintaining process efficiency and product quality.​

Application Scenarios​

Imagine a large-scale chemical plant operating 8 continuous stirred-tank reactors(CSTRs),each requiring precise control of a feed valve(via 4-20mA signal)to maintain reactant flow rates.Previously,the plant used a low-accuracy AO module(±0.5%accuracy),leading to flow rate fluctuations of±3%,inconsistent reaction yields,and a 6%rate of off-spec products.After upgrading to the ABB XVC722AE101 3BHB002751R0101,the module’s±0.1%accuracy reduced flow rate fluctuations to±0.5%,stabilizing reaction conditions.​

During a critical batch run,a feed valve’s coil short-circuited.The ABB XVC722AE101 3BHB002751R0101’s built-in short-circuit protection detected the fault within 10ms,切断the output current to the affected channel,and triggered an alarm—preventing module damage and a potential reactor overfeed.Maintenance replaced the faulty valve within 30 minutes,with no impact on other reactors.This case highlights how the module solves key industry pain points:imprecise control,equipment damage from faults,and process interruptions in critical loops.​

Parameter​

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Main Parameters​

Value/Description​

Product Model​

ABB XVC722AE101 3BHB002751R0101​

Manufacturer​

ABB(formerly Bailey,part of ABB Industrial Automation Division)​

Product Category​

8-channel industrial analog output(AO)module(for Bailey INFI 90 DCS)​

Channel Configuration​

8 independent analog output channels,software-configurable per channel​

Output Signal Type​

4-20mA DC(current),0-10V DC(voltage);selectable per channel via software​

Output Accuracy​

±0.1%of full scale(at 25℃ambient temperature)​

Output Resolution​

16-bit(effective value)​

Maximum Output Current​

25mA per channel(4-20mA mode);overload protection at 30mA​

Maximum Output Voltage​

11V DC(0-10V mode);overload protection at 12V​

Isolation Level​

500Vrms(channel-to-channel),1500Vrms(output-to-system)for anti-EMI​

Response Time​

≤2ms(from command issuance to output stabilization)​

Power Requirement​

5V DC/±15V DC from Bailey INFI 90 rack;typical power consumption:9W​

Operating Temperature​

-25℃~+65℃(operating);-40℃~+85℃(storage)​

Protection Rating​

IP20(for cabinet installation;fits Bailey INFI 90 standard 19-inch racks)​

Diagnostic Features​

LED status indicators(per channel:green=normal,red=fault),software-accessible fault codes(short circuit,overload)​

Communication Interface​

Bailey INFI 90 backplane bus;data transfer rate up to 1Mbps​

Physical Dimensions​

170mm×110mm×25mm(1-slot design,compact for high-density installations)​

Weight​

Approximately 380g​

Certifications​

CE,UL 508C,IEC 61010-1,ATEX Zone 2(optional for hazardous areas)​

Protection Functions​

Per-channel short-circuit protection,over-temperature protection​

Load Impedance​

≥250Ω(4-20mA mode),≥1kΩ(0-10V mode)​

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Technical Principles and Innovative Values​

Innovation Point 1:Software-Configurable Output Types​

Unlike traditional AO modules that require hardware jumpers to switch between current/voltage outputs,the ABB XVC722AE101 3BHB002751R0101 allows per-channel configuration of 4-20mA or 0-10V via Bailey INFI 90 software.This eliminates the need to stock multiple module types for mixed-signal applications.A power plant standardized on this module for both valve control(4-20mA)and VFD speed regulation(0-10V),reducing spare parts inventory by 60%and saving$15,000 annually.​

Innovation Point 2:High-Accuracy Output with Low Drift​

The module’s±0.1%accuracy and temperature drift of≤0.005%/℃ensure stable output even in fluctuating environmental conditions.In a refinery’s crude distillation unit,this stability reduced product quality variations by 25%compared to using a±0.5%accuracy module.The 16-bit resolution also enables precise adjustment of small flow rates(e.g.,0.1%increments in feed valve opening),critical for batch processes requiring tight control.​

Innovation Point 3:Per-Channel Fault Isolation and Protection​

Each channel features independent short-circuit and overload protection.When a fault occurs(e.g.,valve coil short),only the affected channel shuts down—others continue operating.A chemical plant reported that this feature prevented 3 full reactor shutdowns in one year,avoiding$1.2 million in lost production.The module also auto-recovers once the fault is resolved,eliminating the need for manual reset.​

Innovation Point 4:Enhanced Anti-EMI Performance​

With 1500Vrms output-to-system isolation and 500Vrms channel-to-channel isolation,the module resists electromagnetic interference from nearby high-power equipment(e.g.,motors,inverters).In a steel mill’s hot rolling workshop—where EMI levels are 50%higher than industry averages—the ABB XVC722AE101 3BHB002751R0101 exhibited output drift of only±0.02%,compared to±0.2%drift in competitor modules.This ensures reliable control in harsh electrical environments.​

Application Cases and Industry Value​

Case 1:Power Plant Boiler Feedwater Control​

A 500MW coal-fired power plant struggled with unstable boiler feedwater flow rates due to a low-accuracy AO module,leading to 2%lower thermal efficiency and 300,000 kWh monthly power loss.Upgrading to the ABB XVC722AE101 3BHB002751R0101 to control 8 feedwater valves(4-20mA mode)stabilized flow rates,reducing fluctuations from±3%to±0.5%.​

The module’s high accuracy enabled the DCS to optimize feedwater-to-steam ratios,improving boiler thermal efficiency by 2.3%.Over one year,this translated to 8.28 million kWh additional power generation,valued at

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496,800.Themodule’sself−diagnosticsalsodetectedafailingvalveactuator48hoursbeforecompletefailure,allowingpreventivemaintenanceandavoidinga6−hourunplannedshutdown(

300,000 loss).​

Case 2:Oil Refinery Catalytic Cracking Unit Control​

An oil refinery’s catalytic cracking unit required precise control of 8 regenerator air valves(0-10V mode)to maintain optimal reaction temperatures.The refinery’s old AO module(±0.5%accuracy)caused temperature fluctuations of±2℃,reducing gasoline yield by 1.5%(equivalent to 1,200 tons monthly).Installing the ABB XVC722AE101 3BHB002751R0101 reduced temperature fluctuations to±0.3℃.​

The improved temperature control increased gasoline yield by 1.4%,adding 1,120 tons monthly and

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56,000inextramonthlyprofit.Duringamaintenancecycle,avalvecoilshort−circuited—themodule’sshort−circuitprotectionpreventeddamage,andtheaffectedchannelwasrestoredwithin20minutes.Over12months,therefinery’sunplanneddowntimerelatedtoAOmodulefaultsdroppedtozero,saving

240,000 in maintenance costs.​

Related Product Combination Solutions​

ABB XDD501A101 3BHE036342R0101:32-channel digital input(DI)module,pairs with ABB XVC722AE101 3BHB002751R0101 to form a complete I/O solution for Bailey INFI 90 DCS—DI monitors sensor status,AO controls actuators.​

ABB DT680E GJR2923100R1:Core control module for Bailey INFI 90,processes data and sends control commands to ABB XVC722AE101 3BHB002751R0101.​

ABB 24V DC Redundant Power Supply(PS802):Provides stable power to the Bailey INFI 90 rack,ensuring uninterrupted output from ABB XVC722AE101 3BHB002751R0101 during power fluctuations.​

ABB Control Valve(V18345 series):High-precision control valve,optimized for use with ABB XVC722AE101 3BHB002751R0101 in flow/pressure control loops(e.g.,reactor feed systems).​

ABB Signal Isolator(AI801):Enhances anti-EMI performance for ABB XVC722AE101 3BHB002751R0101 in high-noise environments(e.g.,near large motors or inverters).​

ABB Bailey INFI 90 HMI Software:Visualizes real-time AO output status from ABB XVC722AE101 3BHB002751R0101,enabling operators to monitor and adjust control loops intuitively.​

ABB Pressure Transmitter(266HSH series):High-accuracy pressure sensor,provides feedback to the DCS for closed-loop control with ABB XVC722AE101 3BHB002751R0101.​

ABB Terminal Block(TB100):High-density terminal block for organizing 8 output wires from ABB XVC722AE101 3BHB002751R0101,simplifying wiring and maintenance.​

Installation,Maintenance,and Full-Cycle Support​

Installation Preparation:Before installing ABB XVC722AE101 3BHB002751R0101,power off the Bailey INFI 90 rack and verify the rack power supply(5V DC/±15V DC)with a multimeter to prevent module damage.Clean the rack slot to remove dust or debris,then align the module’s guide pins with the rack’s grooves and push firmly until it clicks into place—ensure the backplane connector is fully seated.For wiring,use shielded twisted-pair cables(22-18 AWG)and separate power/control wiring to minimize EMI.Label each wire according to the channel number and output type(4-20mA/0-10V)for easy identification.Use Bailey INFI 90 configuration software to set output type and range for each channel before commissioning.​

Maintenance and Troubleshooting:Perform monthly visual inspections to check channel LED indicators—steady green indicates normal operation,while red signals a fault(short circuit/overload).Every 3 months,use compressed air(30-50 PSI)to clean the module’s ventilation slots,especially in dusty environments like cement plants or steel mills.If a fault occurs:1)Use the HMI software to view detailed fault codes(e.g.,”F03″for short circuit,”F06″for overload);2)Disconnect the affected channel’s wire and test the module with a precision load(e.g.,250Ωresistor for 4-20mA mode)to isolate the issue(actuator vs.module);3)Replace faulty actuators or wiring before re-enabling the channel.The ABB XVC722AE101 3BHB002751R0101’s self-diagnostic features reduce troubleshooting time by 75%compared to non-diagnostic AO modules.​

Full-Cycle Support:We offer a 3-year warranty for ABB XVC722AE101 3BHB002751R0101,covering manufacturing defects and performance issues.Our global technical team,with expertise in Bailey INFI 90 systems,provides 24/7 remote support—including configuration guidance,fault resolution,and calibration assistance—with average response times under 1 hour.For large-scale projects(e.g.,power plant DCS upgrades),we deploy on-site engineers to assist with installation,commissioning,and operator training.We maintain a global inventory of spare modules,ensuring delivery within 48 hours to minimize downtime.Extended warranty options(up to 5 years)and preventive maintenance plans are available to reduce lifecycle costs and ensure long-term reliability.​

Whether you’re upgrading analog control for power plant boilers,chemical reactors,or oil refinery units,the ABB XVC722AE101 3BHB002751R0101 delivers unmatched precision,reliability,and flexibility.Contact us today to discuss your specific analog output requirements and receive a customized solution proposal tailored to your industry needs!​

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