Product Overview​

The ABB 3BSE012866QR1 PRD is a high-performance core processor module specifically engineered for ABB’s AC 800M Distributed Control System(DCS)—a critical component that serves as the“computational backbone”for industrial process automation in power generation,oil&gas,chemical,and manufacturing sectors.Designed to execute complex control logic,process high-volume I/O data,and enable seamless communication across distributed control networks,this processor module ensures real-time,precise management of critical industrial processes,from boiler control in power plants to batch processing in chemical facilities.​

Featuring a powerful 32-bit multi-core processor and expandable memory architecture,the ABB 3BSE012866QR1 PRD supports large-scale control programs(up to 8MB of program memory)and high-speed data exchange with AC 800M I/O modules(e.g.,digital/analog I/O,communication modules).Its rugged hardware design withstands extreme operating temperatures(-40°C to+70°C),electromagnetic interference(EMI)per IEC 61000-6-2 standards,and voltage transients,making it ideal for harsh industrial environments where uninterrupted operation is mission-critical.By integrating seamlessly with ABB’s Control Builder M configuration software and industry-standard communication protocols,the ABB 3BSE012866QR1 PRD enables flexible,scalable DCS deployments,reducing system complexity and maximizing process efficiency.​

Technical Specifications​

​

Parameter Name​

Parameter Value​

Product Model​

ABB 3BSE012866QR1 PRD​

Manufacturer​

ABB Process Automation​

Product Type​

Core Processor Module for AC 800M DCS​

Processor​

32-bit multi-core RISC processor​

Clock Speed​

800 MHz​

Program Memory​

8 MB(expandable to 16 MB via memory cards)​

Data Memory​

4 MB(retained with backup battery for 100+days)​

I/O Capacity​

Up to 16,384 discrete points;2,048 analog points(via AC 800M I/O modules)​

Processing Speed​

0.08µs per basic instruction;0.3µs per function block(e.g.,PID)​

Communication Ports​

2 x Ethernet(EtherNet/IP,Modbus TCP);1 x RS-485(Modbus RTU);1 x USB(configuration)​

Supported Protocols​

Modbus RTU/TCP,EtherNet/IP,Profinet,DNP3.0,IEC 61850(optional)​

Operating Power Supply​

5V DC(from AC 800M backplane);24V DC(auxiliary,optional backup)​

Physical Dimensions​

120mm(W)×210mm(H)×140mm(D)​

Weight​

1.5 kg​

Installation​

AC 800M rack mount(1 slot,compatible with 4/8/12-slot AC 800M racks)​

Operating Environment​

-40°C to+70°C(temperature);5%-95%RH(non-condensing,no frost)​

Storage Environment​

-50°C to+85°C;5%-95%RH(non-condensing)​

Protection Rating​

IP20(module);IP40(when installed in AC 800M rack)​

Certifications​

IEC 61131-2,UL 508,CSA C22.2 No.14,ATEX Zone 2,IECEx​

Key Features​

Redundant configuration support,real-time processing,battery-backed memory,diagnostic LEDs​

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Main Features and Advantages​

Ultra-fast processing for complex control tasks:The ABB 3BSE012866QR1 PRD’s 800 MHz multi-core processor delivers exceptional computational performance—0.08µs per basic instruction and 0.3µs per PID function block—enabling it to handle demanding control applications.A 1,200MW coal-fired power plant uses the processor to manage boiler combustion control,executing 10,000+function blocks(including advanced PID loops and fuel-air ratio control)with a cycle time of<5ms.This performance outperforms entry-level DCS processors(typically 0.5-1µs per instruction)by 6-12x,ensuring precise regulation of steam pressure and temperature,and reducing fuel consumption by 3%.​

Scalable memory and I/O capacity:With 8 MB of program memory(expandable to 16 MB)and support for up to 16,384 discrete I/O points,the ABB 3BSE012866QR1 PRD adapts to growing process needs.A large petrochemical plant expanded its ethylene production line by adding 2,000 discrete I/O points(for new sensors and valves)and 200 analog points(for flow and pressure monitoring)—the processor’s expandable memory and modular I/O support allowed the upgrade without replacing the core module,saving$80,000 in hardware costs compared to a full DCS replacement.​

Robust reliability and redundancy support:The ABB 3BSE012866QR1 PRD supports hot-standby redundancy(1+1 configuration),ensuring zero downtime in case of processor failure.An offshore oil platform deployed the processor in a redundant setup for wellhead pressure control—when the primary processor experienced a temporary fault,the standby unit took over in<100ms,with no interruption to well production.Its wide temperature range(-40°C to+70°C)and EMI resistance also ensure reliable operation in harsh offshore conditions,with a mean time between failures(MTBF)of 400,000 hours—3x higher than non-industrial-grade processors.​

Seamless integration and configuration:The ABB 3BSE012866QR1 PRD is fully compatible with ABB’s Control Builder M software,enabling intuitive programming of control logic(via function blocks,structured text,or ladder diagram).A chemical plant used the software to configure batch process control for a polymer reactor,with the processor executing 50+sequential control steps without errors.The processor’s support for industry-standard protocols(e.g.,IEC 61850,Profinet)also facilitates integration with third-party equipment(e.g.,Siemens variable-speed drives,Rockwell HMIs),eliminating communication silos and improving operational visibility.​

Application Field​

In power generation,the ABB 3BSE012866QR1 PRD serves as the core processor for a 800MW natural gas-fired power plant’s AC 800M DCS.It controls the gas turbine,steam turbine,and heat recovery steam generator(HRSG),processing data from 5,000+I/O points(temperature,pressure,flow sensors).The processor’s fast PID processing(0.3µs per loop)ensures precise control of turbine speed(±0.1 RPM)and HRSG steam pressure(±0.2 bar),optimizing plant efficiency and reducing emissions.Over 4 years,the processor enabled 98.5%plant availability,with no unplanned downtime due to processor-related issues.​

For oil&gas,a pipeline company uses the ABB 3BSE012866QR1 PRD to control a 500km crude oil pipeline’s pumping stations.The processor manages 3,000+I/O points(pump status,pipeline pressure,flow rate)and executes leak detection algorithms in real time.Its redundant configuration ensures continuous operation—during a lightning strike that damaged the primary processor,the standby unit took over instantly,preventing a pipeline shutdown that could have cost$200,000 per hour in lost production.​

In chemical manufacturing,the processor controls a batch reactor system in a specialty chemical plant.It executes 100+batch recipes(each with 20-30 control steps)and processes data from 1,500 I/O points(reactor temperature,pH level,chemical feed rate).The processor’s battery-backed memory retains recipe data during power outages,avoiding batch loss and ensuring compliance with FDA regulations.The ABB 3BSE012866QR1 PRD also communicates with the plant’s MES(Manufacturing Execution System)via Modbus TCP,enabling real-time production tracking and reducing batch documentation time by 40%.​

Related Products​

ABB CI854A–AC 800M I/O chassis,designed to house ABB 3BSE012866QR1 PRD and AC 800M I/O modules.​

ABB AI835–8-channel analog input module,pairs with ABB 3BSE012866QR1 PRD to process continuous signals(temperature,pressure)in AC 800M DCS.​

ABB AO835–4-channel analog output module,complementary to the processor for analog control(e.g.,valve positioners,variable-speed drives).​

ABB DI834–16-channel digital input module,connects to the processor for collecting discrete sensor signals(limit switches,photoeyes).​

ABB DO834–16-channel digital output module,works with the processor to control actuators(solenoid valves,motor starters).​

ABB 3BSE038416R1–Backup battery module,ensures ABB 3BSE012866QR1 PRD’s data memory retains information during power outages.​

ABB Control Builder M–Configuration software,used to program control logic and configure I/O for the processor.​

ABB 3BSE013262R1–Ethernet communication module,extends the processor’s connectivity to enterprise-level networks(e.g.,MES,SCADA).​

Installation and Maintenance​

Pre-installation preparation:Verify compatibility with the target AC 800M rack(4/8/12-slot)and ensure the rack has a stable 5V DC backplane power supply(ABB recommended:PM861K01).Inspect ABB 3BSE012866QR1 PRD for physical damage(e.g.,bent backplane pins,cracked housing)and confirm authenticity via ABB’s official serial number verification portal.Update the processor’s firmware to the latest version(via Control Builder M)before installation to ensure compatibility with new I/O modules and protocols.For redundant configurations,ensure both primary and standby processors have identical firmware and configuration settings.​

Maintenance recommendations:Conduct quarterly visual inspections of ABB 3BSE012866QR1 PRD to check for loose backplane connections,dust buildup,and LED status(normal:green power LED,steady run LED;redundant:green standby LED for backup unit).Clean dust with filtered compressed air(≤0.2MPa)to prevent overheating—focus on ventilation slots.Test the backup battery(3BSE038416R1)semi-annually using Control Builder M;replace the battery if voltage drops below 3.6V to avoid data loss.Backup the processor’s configuration to a secure location(e.g.,network server,USB drive)monthly.For firmware updates,schedule during planned maintenance and follow ABB’s step-by-step guidelines to avoid interrupting ongoing processes.In case of a fault(red fault LED),use Control Builder M’s diagnostic tools to identify issues(e.g.,communication errors,memory faults)before replacing the processor.​

Product Guarantee​

The ABB 3BSE012866QR1 PRD is backed by a 36-month original factory warranty,covering manufacturing defects(e.g.,processor failure,communication module malfunctions)and performance deviations from technical specifications under normal industrial operating conditions.ABB guarantees the processor’s MTBF exceeds 400,000 hours—far exceeding the industry average of 150,000 hours for DCS core processors.​

Our global technical support team provides 24/7 assistance for processor installation,programming,and troubleshooting.Genuine units include a unique serial number for warranty activation and access to exclusive ABB resources,such as firmware updates,programming guides,and compatibility matrices with AC 800M modules.In the event of a valid warranty claim,ABB will ship a replacement processor within 24 hours for critical applications(e.g.,power plant DCS),minimizing downtime.We also offer on-site commissioning services to optimize processor settings for specific process requirements,as well as training courses on advanced diagnostic features to maximize operational value.​

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