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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The ABB PM865K02 (3BSE031150R1) is a robust redundant processor unit developed for use in ABB’s AC 800M controller family, forming a central component of the 800xA Distributed Control System (DCS). Built for high-availability applications and critical process automation, this processor supports full hot-redundancy and offers powerful computational performance suitable for complex automation strategies.
An enhanced version of the PM865 series, the PM865K02 includes significant improvements in hardware reliability and operational consistency, supporting a wide range of communication protocols and seamless integration with ABB’s S800 I/O modules. Its ability to run mission-critical control loops and maintain system integrity even under failure conditions makes it a cornerstone in modern industrial control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Redundant Processor Unit |
| Model | PM865K02 |
| Order Code | 3BSE031150R1 |
| System Platform | ABB AC 800M, 800xA |
| Processor Type | High-speed RISC processor |
| Clock Speed | Approx. 100 MHz |
| Redundancy Capability | Full CPU redundancy via CEX-Bus |
| Memory | 64 MB Flash memory, 32 MB DRAM |
| Real-Time Clock | Yes, battery-backed |
| Non-Volatile Memory | Yes |
| Communication Ports | 2 x Ethernet (RJ45), 1 x RS-232, 1 x CEX-Bus |
| Supported Protocols | MODBUS, TCP/IP, OPC, PROFIBUS, IEC 61850, PROFINET |
| I/O Compatibility | ABB S800 I/O system |
| Diagnostics | Built-in system monitoring and LED indicators |
| Power Supply | Supplied via system backplane (24 VDC nominal) |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% (non-condensing) |
| Firmware Upgrade | Yes, via Control Builder M over Ethernet |
| Certifications | CE, UL, cUL, RoHS, CSA |
| Dimensions (H x W x D) | 135 × 186 × 119 mm |
| Weight | 2.9 kg |
Product Applications
The ABB PM865K02 is widely used in high-performance industrial sectors where real-time process reliability and system uptime are essential. Key applications include:
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Power Generation & Distribution – For turbine control, grid monitoring, and load sharing
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Oil & Gas Industry – Upstream and downstream automation, compressor stations, and pipeline control
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Water and Wastewater Treatment – Pump management, SCADA integration, and system redundancy
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Metals and Mining – Furnace control, motor drives, and process plant optimization
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Pulp and Paper Manufacturing – Batch control, continuous process coordination, and quality regulation
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Pharmaceutical Industry – Compliance-driven batch processing and traceability
Its rugged architecture and support for various fieldbuses make it suitable for both brownfield retrofits and greenfield deployments.
Product Advantages
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Redundancy Built-In
Designed to operate in high-availability mode, the PM865K02 seamlessly handles CPU failover to ensure continuous plant operation. -
High-Speed Performance
Equipped with a powerful processor and large memory capacity to handle complex logic, alarms, and process communication. -
Modular and Scalable
Easily expands with ABB’s S800 I/O modules and CI communication interfaces, offering excellent system scalability. -
Multiple Communication Standards
Supports major industrial protocols, providing flexible integration with field devices and supervisory control systems. -
Ease of Engineering and Maintenance
Configured using Control Builder M software, with built-in diagnostics to reduce commissioning and maintenance time. -
Proven Industrial Reliability
Built to withstand industrial stress environments, temperature ranges, and 24/7 operational demands.
Frequently Asked Questions (FAQ)
1. What is the primary use of the PM865K02 in automation systems?
It serves as the main CPU controller in ABB’s AC 800M platform, providing high-speed real-time control and redundancy.
2. Can this unit operate in a redundant CPU configuration?
Yes, it fully supports hot-redundant mode with automatic failover via the CEX-Bus connection.
3. What kind of memory does the unit offer?
The PM865K02 includes 64 MB Flash and 32 MB DRAM to support complex control applications.
4. How does the unit communicate with field devices?
Through built-in Ethernet ports, serial interfaces, and compatible communication modules like CI854 or CI860.
5. Is the PM865K02 compatible with S800 I/O modules?
Yes, it seamlessly integrates with ABB’s S800 I/O systems for scalable signal interfacing.
6. How are software updates performed?
Firmware and configuration updates are managed using Control Builder M software over Ethernet.
7. Does the module have integrated diagnostics?
Yes, it includes real-time LED indicators and system monitoring for fault detection and status updates.
8. Is the processor module hot-swappable?
In redundant configurations, the secondary unit can be replaced without process interruption.
9. Can it be used in safety-critical applications?
While not a SIL-rated module itself, it can be used within safety architectures with certified components.
10. What industries commonly deploy the PM865K02?
It is widely used in energy, petrochemical, paper, water treatment, and industrial automation sectors.
Related Models from the Same Series
| Model | Part Number | Description |
|---|---|---|
| PM865K01 | 3BSE031151R1 | Redundant-capable CPU with same performance class |
| PM864AK02 | 3BSE018164R2 | Mid-range CPU with 32 MB DRAM, supports redundancy |
| PM867K01 | 3BSE043660R1 | High-end CPU for large and complex DCS architectures |
| PM860K01 | 3BSE018100R1 | Entry-level redundant CPU for medium systems |
| PM856K01 | 3BSE018173R1 | Mid-tier processor with moderate memory configuration |
| PM891K01 | 3BSE053241R1 | Next-generation CPU with extended capabilities |
Popular ABB Models from the Same Brand
| Model | Part Number | Description |
|---|---|---|
| CI854AK01 | 3BSE030220R1 | PROFIBUS-DP Communication Interface for AC 800M |
| AI810 | 3BSE008516R1 | 8-channel Analog Input Module |
| DI820 | 3BSE008512R1 | 16-channel Digital Input Module |
| DO810 | 3BSE008510R1 | 16-channel Digital Output Module |
| CI860K01 | 3BSE032444R1 | IEC 61850 Communication Interface Module |
| CI871K01 | 3BSE056767R1 | PROFINET Interface Module for AC 800M |
