وصف

Configured for redundant controller execution in ABB AC 800M automation systems, the ABB PM866AK02 (PM866AK02 Processor Unit) provides direct physical and electrical execution for controller logic processing, memory management, and communication tasks.

Hardware Specifications

Parameter	Specification
Model	PM866AK02
Article Number	3BSE081637R1
Brand	ABB
Product Type	AC 800M Processor Unit
Origin	Sweden
Processor Type	MPC866
Clock Frequency	133 MHz
Memory	64 MB
RAM Available for Application	51.389 MB
Flash Memory for Storage	Yes
Flash PROM for Firmware Storage	4 MB
Redundancy	Yes
High Integrity	No
Performance, 1000 Boolean Operations	0.09 ms
Controller Applications	32 applications per controller
Programs per Application	64
Diagrams per Application	128
Tasks per Controller	32
Number of Different Cycle Times	32
Minimum Cycle Time per Application Programs	Down to 1 ms
Redundancy Switch Over Time	Max 10 ms
Power Supply	24 VDC (19.2-30 VDC)
Power Consumption at +24 VDC Typical/Maximum	210 / 360 mA
Width	119 mm
Height	186 mm
Depth	135 mm
Weight Including Base	K02: 2700 g

Profinet and Backplane Bus Communication Characteristics

The PM866AK02 integrates the processing hardware required for AC 800M controller operation. The CPU board contains the microprocessor, RAM memory, real-time clock, LED indicators, INIT push button, and CompactFlash interface.

Furthermore, the controller supports redundant configurations with a maximum switch over time of 10 ms. The processor executes application programs with cycle times down to 1 ms and manages multiple controller tasks through the AC 800M execution environment.

The module design supports ABB industrial control architectures where backplane bus communication velocity, firmware flash compatibility, and I/O density scaling are managed through the controller platform configuration. The CompactFlash interface provides firmware and application storage functions according to AC 800M system requirements.

Frequently Asked Questions

Q: Does the PM866AK02 support redundant controller configurations?
A: Yes. The PM866AK02 supports controller redundancy and provides a maximum redundancy switch over time of 10 ms.

Q: What processor and memory resources are available in the PM866AK02?
A: The module uses an MPC866 processor operating at 133 MHz with 64 MB memory and 51.389 MB RAM available for application execution.

Q: What power supply range is required for the PM866AK02?
A: The processor unit requires a 24 VDC supply with an operating range of 19.2-30 VDC.

Field Installation Guidelines

Install the PM866AK02 on the designated AC 800M controller base according to ABB hardware installation procedures.

Maintain correct module alignment during insertion to prevent mechanical damage to the connector interface. Verify that the power supply wiring uses suitable industrial control wiring practices and that protective grounding is correctly connected.

Route communication cables separately from high-voltage power cables to reduce electrical interference. Keep cable shielding connected according to the system grounding design and avoid unnecessary cable loops near the controller assembly.

Before commissioning, confirm firmware compatibility, CompactFlash installation status, LED diagnostic indicators, and controller redundancy configuration parameters.

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