وصف

ABB PM856AK01 3BSE066490R1 Processor Unit Package

The ABB PM856AK01 3BSE066490R1, also cataloged as the PM856A Processor Unit Package, operates as a dedicated hardware component for controller execution, memory management, and communication handling within ABB AC 800M System 800xA platforms.

Hardware Specifications

Parameter	Specification
Model	PM856AK01 3BSE066490R1
Brand	ABB
Product Type	Processor Unit Package
Origin	Sweden
Weight	0.92 kg
Dimensions	19 x 12 x 13.5 cm shipping size
Processor Module	PM856A CPU
Baseplate	TP830
CEX-Bus Terminator	TB850
ModuleBus Terminator	TB807
Memory Backup Battery	4943013-6
Controller Platform	ABB AC 800M
System Integration	ABB System 800xA
Tariff Code	8537101190 / 85389091

Industrial Control Bus and Firmware Compatibility

The ABB PM856AK01 package supports AC 800M controller architecture through processor execution, backplane communication, and module interface management. The PM856A CPU performs application processing tasks while maintaining communication with connected I/O and controller modules.

Furthermore, the package includes termination components for CEX-Bus and ModuleBus connections. These components maintain correct bus electrical conditions and support stable module communication within the controller configuration.

The processor package supports ABB controller firmware environments designed for AC 800M hardware configurations. Firmware compatibility must be verified before replacement or system expansion.

Frequently Asked Questions

Q: What hardware components are included in the ABB PM856AK01 package?
A: The package contains the PM856A processor unit, TP830 baseplate, TB850 CEX-Bus terminator, TB807 ModuleBus terminator, and 4943013-6 memory backup battery.

Q: Does the PM856AK01 support redundant processor configurations?
A: The PM856AK01 package is a processor hardware package for AC 800M systems. Redundancy capability depends on the selected controller configuration and supported system architecture.

Q: What should be verified before installing the PM856AK01 processor package?
A: Engineers should verify controller firmware compatibility, baseplate connections, bus termination placement, grounding conditions, and module addressing before commissioning.

Field Installation Guidelines

• Install the PM856AK01 package on the specified ABB AC 800M controller mounting arrangement.
• Confirm that the TP830 baseplate is correctly seated before applying power.
• Install TB850 and TB807 terminators according to the configured CEX-Bus and ModuleBus topology.
• Route communication wiring separately from high voltage power cables to reduce electrical interference.
• Connect protective grounding according to industrial cabinet installation practices.
• Verify processor LED diagnostics after startup and confirm controller communication status.
• Replace the memory backup battery according to ABB maintenance procedures when required.

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