Description

The ABB PP865(order code 3BSE042236R1)is a central processing unit(CPU)module for the ABB AC 800M programmable logic controller(PLC)platform—a foundational component of the ABB System 800xA distributed control system(DCS).Designed for high-reliability industrial applications,the PP865 delivers deterministic control performance for power generation,oil&gas,water/wastewater,mining,and pulp&paper industries.It supports redundant configurations,IEC 61131-3 programming,and seamless integration with ABB’s engineering tools like Control Builder M and System 800xA.Despite being a legacy product(now succeeded by PM86x series),the PP865 remains widely deployed in critical infrastructure where system longevity and stability are paramount.

Application Scenarios

At a hydroelectric dam in Canada,the primary PP865 CPU began exhibiting intermittent communication timeouts with I/O modules during seasonal temperature swings.Engineers activated the redundant backup,which took over within 50 ms—preventing turbine overspeed.During the next maintenance window,the faulty unit was replaced with a pre-tested 3BSE042236R1 spare.The new module synchronized its application program from the standby unit automatically,restoring full redundancy without re-engineering or downtime—demonstrating the resilience of ABB’s AC 800M architecture.

Parameter

Main Parameters Value/Description

Product Model PP865

ABB Order Code 3BSE042236R1

Manufacturer ABB Automation Products(now part of Hitachi Energy,but still branded ABB)

Product Category AC 800M CPU/Central Processing Unit

Processor 32-bit RISC processor(proprietary ABB architecture)

Clock Speed~100 MHz(typical for era)

Application Memory 16 MB Flash for user program and configuration

Data Memory 8 MB RAM(battery-backed for retention)

Execution Performance~0.15µs per Boolean instruction

Communication Interfaces

Dual 10/100 Mbps Ethernet ports(for Control Network and OPC/Modbus TCP)

Serial port(RS-232/485 for diagnostics or legacy devices)

Backplane bus to I/O modules(via CI854 or similar communication modules)||Redundancy Support|Yes—supports hot standby with another PP865 via fiber-optic or Ethernet sync link||Programming Standard|IEC 61131-3:LD,FBD,ST,SFC,IL(via Control Builder M)||Operating System|ABB proprietary real-time OS||Diagnostic Features|

Status LEDs:RUN,STOP,I/O Fault,Battery,Redundancy Sync

Built-in web server for basic status(IP config,module info)

Full diagnostics via System 800xA or Control Builder M||Operating Temperature|0°C to+60°C||Power Consumption|~10 W(supplied via AC 800M backplane)||Mounting|Snap-in to AC 800M rail-mounted chassis(e.g.,TK811V015)||Approvals|CE,UL 61010-2-201,CSA C22.2 No.61010,IEC 61010-2-201||Lifecycle Status|End-of-Life(EOL)–but still supported via ABB’s long-term service programs|

Note:“R1”suffix typically denotes hardware revision or regional compliance variant.

Technical Principles and Innovative Values

Innovation Point 1:True Hot-Standby Redundancy

In redundant mode,the standby PP865 continuously mirrors process data and program state—ensuring bumpless switchover(<100 ms)on failure.

Innovation Point 2:Integrated Web Diagnostics

Even without engineering software,technicians can access IP settings and module status via a standard web browser—accelerating field troubleshooting.

Innovation Point 3:Deterministic I/O Scan

Guaranteed I/O update cycles enable precise sequencing in turbine control,boiler management,and safety interlocks.

Innovation Point 4:Long-Term Configuration Stability

Once commissioned,PP865 systems often run unchanged for 15+years—ideal for regulated industries where re-validation is costly.

Application Cases and Industry Value

Nuclear Power Plant(Europe):

Used in non-safety-related balance-of-plant(BOP)controls;qualified for 40-year lifecycle with minimal firmware changes.

Offshore Oil Platform(North Sea):

Dual PP865 units control produced water treatment—redundancy ensured continuous operation during a North Sea storm when comms to shore were lost.

Municipal Water Utility(USA):

After a ransomware attack isolated HMI networks,the PP865 continued autonomous pump sequencing using local logic—maintaining water pressure citywide.

Related Product Combination Solutions

I/O Modules:

AI810(Analog Input)

AO810(Analog Output)

DI810/DO810(Digital I/O)

Communication Modules:

CI854(Profibus DP)

CI867(Modbus RTU/TCP)

Power Supplies:PPD113B01-10-150000(24 VDC,10 A)

Engineering Software:Control Builder M,System 800xA,Asset Optimization

Redundancy Kit:TK811V015 chassis with dual PSU and sync cabling

Successor CPU:PM864A/PM866A(AC 800M High Performance CPUs)

Installation,Maintenance,and Full-Cycle Support

Installation Best Practices:

Always install in pairs for critical applications(primary+standby).

Use shielded Ethernet cables with grounded connectors for noise immunity.

Ensure battery(on baseplate or external)is functional for RAM retention.

Maintenance Guidelines:

Replace backup battery every 3–5 years.

Perform firmware and application backups quarterly.

Monitor“I/O Fault”LED—often the first sign of communication degradation.

We provide fully tested,refurbished PP865(3BSE042236R1)units that include:

Functional test with simulated I/O and network traffic

Redundancy sync validation(if paired unit available)

Battery voltage and memory retention check

Firmware version documentation

Each module comes with a 12-month warranty,test report,and optional configuration cloning service.

Your plant’s backbone depends on a reliable CPU.Don’t wait for failure—secure a certified-ready ABB PP865 3BSE042236R1 today.Backed by decades of AC 800M expertise,we ensure your legacy ABB system stays online,compliant,and in control.Contact us for rapid delivery and technical support worldwide.

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