ABB

ABB PM856AK01 3BSE066490R1 AC 800M Processor Unit

SKU PM856AK01 3BSE066490R1

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: ABB

  • Product No.: PM856AK01 3BSE066490R1

  • Country of origin:Sweden

  • Product Type: Processor Unit

  • Barcode: 85371091

  • Payment: T/T, Western Union

  • Weight: 1100g

  • Dimensions: 155 mm x 200 mm x 130 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The ABB PM856AK01 (Product ID: 3BSE066490R1) is a central processor unit kit designed for the AC 800M control system. Operating at 24MHz with 16MB of onboard memory, this processor unit serves as the central unit for process control and automation applications. The comprehensive package provides a complete assembly containing the CPU, baseplate, essential system bus terminators, and a dedicated battery for memory backup. It interfaces seamlessly with the ModuleBus and CEX-bus communication networks to manage peripheral components and expansion modules within industrial control environments.

Features

  • Complete hardware bundle containing the CPU, baseplate, and bus terminators.
  • Integrated 24MHz clock frequency with 16MB memory capacity.
  • Included TB850 CEX-bus and TB807 ModuleBus terminators for robust communication signals.
  • Dedicated lithium battery module for reliable memory backup during power loss.

Applications

  • Distributed Control Systems (DCS) for process automation 
  • Programmable Logic Controller (PLC) applications in factory automation 
  • 800xA and Compact Product Suite controller configurations 
  • Centralized industrial automation and plant infrastructure control 

Ordering Information

Product ID ABB Type Designation Catalog Description Package Contents
3BSE066490R1 PM856AK01 PM856AK01 Processor Unit PM856A CPU, TP830 Baseplate, TB850 CEX-bus terminator, TB807 ModuleBus terminator, Battery (4943013-6), No license included 

Technical Specifications

Parameter Specification
Manufacturer ABB 
Product ID 3BSE066490R1 
ABB Type Designation PM856AK01 
Product Type Central_Unit 
Processor Speed 24MHz 
Memory Capacity 16MB 
Customs Tariff Number / HS Code 85371091 / 853710 
Product Net Depth / Length 155 mm 
Product Net Height 200 mm 
Product Net Width 130 mm 
Product Net Weight 1.1 kg 
WEEE Category 5. Small Equipment (No External Dimension More Than 50 cm) 
Number of Batteries 1 
Battery Chemical Composition Lithium 
Battery Type Portable 
Battery Weight 9 g 

Installation Guidelines

  • Bus Termination: Always ensure the provided TB850 CEX-bus terminator and TB807 ModuleBus terminator are properly installed on the boundaries of the assembly to maintain signaling integrity.
  • Baseplate Mounting: Secure the TP830 baseplate firmly onto the designated mounting surface or DIN rail before docking the PM856A CPU module to prevent mechanical stress.
  • Battery Maintenance: Insert the provided 9g lithium backup battery (4943013-6) into the correct polarity slot to ensure memory retention during power cycles.
  • Hazardous Materials Handling: Follow relevant safety guidelines for handling and transporting the assembly due to the Class 9 Lithium battery classification.

Compliance and Certifications

  • RoHS: Following EU Directive 2011/65/EU 
  • Dangerous Goods Classification: Class 9: Miscellaneous Dangerous Substances and Articles, Including Environmentally Hazardous Substances (UN3091-P1970) 

FAQ

What components are included in the PM856AK01 package?

The package includes the PM856A CPU, a TP830 baseplate, a TB850 CEX-bus terminator, a TB807 ModuleBus terminator, and a memory backup battery. No software license is included.

What are the physical dimensions and weight of this central unit?

The device has a net height of 200 mm, a net width of 130 mm, a net depth of 155 mm, and weighs approximately 1.1 kg.

What type of backup battery does the module use?

The module uses one portable lithium chemical composition battery weighing 9 grams for system memory backup.

Are there specific transit regulations for shipping this module?

Yes, due to the integrated lithium battery, the device is classified as Dangerous Goods UN Classification Class 9 (Miscellaneous Dangerous Substances and Articles) under UN number UN3091-P1970.

View all FAQs →

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

ABB PM856AK01 3BSE066490R1 AC 800M Processor Unit

Quantity
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Sweden

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