وصف

ABB PM867K02 AC 800M Redundant Processor Unit

The ABB PM867K02, also cataloged as the PM867K02 Processor Unit, operates as a redundant control execution module for application processing, communication management, and diagnostic functions within ABB AC 800M controller platforms. The unit provides dual CPU operation capability with high integrity functions, MPC866 processor architecture, and deterministic controller task execution.

Hardware Specifications

Parameter	Specification
Model	PM867K02
Article Number	3BSE081638R1
Brand	ABB
Product Type	AC 800M Redundant Processor Unit
Origin	Sweden
Processor Type	MPC866
Clock Frequency	133 MHz
Redundancy	Yes
High Integrity	Yes
Memory	64 MB
RAM Available for Application	46.559 MB
Flash Memory for Storage	No
Flash PROM for Firmware Storage	18 MB
Weight	K02: 2700 g (5.95 lbs), including base
Dimensions	Width: 119 mm (4.7 in.), Height: 186 mm (7.3 in.), Depth: 135 mm (5.3 in.)
Operating Temp	Not specified
Power Consumption	5.1 W typical, 8.6 W maximum; +24 VDC current 210 mA typical, 360 mA maximum
Power Supply	24 VDC (19.2-30 VDC)
Boolean Operation Performance	0.09 ms per 1000 boolean operations
Redundant Configuration Switch Over Time	Maximum 10 ms
Applications per Controller	32
Programs per Application	64
Diagrams per Application	128
Tasks per Controller	32
Number of Cycle Times	32
Application Program Cycle Time	Down to 1 ms
Built-in Backup Battery	Lithium, 3.6 V
Redundant Power Supply Status Input	Yes
Clock Synchronization	1 ms between AC 800M controllers through CNCP protocol
Event Queue per OPC Client	Up to 3000 events
Communication Modules on CEX Bus	12
CEX Bus Supply Current	Maximum 2.4 A
Modulebus I/O Clusters with Non-Redundant CPU	1 electrical + 7 optical
Modulebus I/O Clusters with Redundant CPU	0 electrical + 7 optical

ABB AC 800M Redundant Controller Communication and I/O Architecture

The PM867K02 integrates with the AC 800M controller platform through CEX bus and Modulebus communication structures. Therefore, the processor manages distributed I/O communication, application execution, and controller synchronization functions.

The redundant configuration supports processor switchover operation with a maximum 10 ms transition time. In addition, CNCP protocol synchronization maintains a 1 ms clock alignment between AC 800M controllers.

The controller architecture supports deterministic backplane bus communication velocity, modular I/O density scaling, and firmware flash compatibility within ABB System 800xA automation environments.

The PM867K02 also supports multiple communication modules through the CEX bus. Consequently, the controller can coordinate different field communication interfaces while maintaining defined task cycle execution.

Frequently Asked Questions

Q: What is the function of redundancy in the PM867K02 configuration?
A: The PM867K02 supports redundant processor operation. The controller can perform processor switchover with a maximum transition time of 10 ms.

Q: How much application memory is available in the PM867K02?
A: The processor contains 64 MB total memory, with 46.559 MB available for application execution.

Q: How does the PM867K02 communicate with AC 800M I/O systems?
A: The module communicates through ABB CEX bus and Modulebus architectures. It supports up to 12 communication modules on the CEX bus and optical I/O cluster connections.

Field Installation Guidelines

Install the PM867K02 on the designated AC 800M controller base assembly according to ABB hardware installation procedures.

Verify that the 24 VDC power supply remains within the specified input range before energizing the controller. Connect redundant power status monitoring signals where required by the system configuration.

Maintain proper cabinet grounding and cable separation between power wiring and communication wiring. Use appropriate shielding practices for industrial communication cables to reduce electromagnetic interference.

Before commissioning, confirm processor redundancy status, firmware compatibility, controller synchronization, and Modulebus communication integrity through the engineering configuration tools.

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