Description

ABB PM851AK01 3BSE066485R1 AC 800M Processor Module

The ABB PM851AK01 3BSE066485R1, also cataloged as the PM851AK01 AC 800M Processor Module, provides processor execution, application management, and control task handling within ABB System 800xA controller platforms.

Hardware Specifications

Parameter	Specification
Model	PM851AK01 3BSE066485R1
Brand	ABB
Product Type	AC 800M Processor Module
Origin	Sweden
Weight	0.9 kg
Dimensions	12.7 x 20.3 x 12.7 cm
Operating Temp	Not specified
Power Consumption	4.32 W typical, 7.2 W maximum
Power Supply	24 VDC (19.2 - 30 VDC)
Processor Type	MPC860
Flash PROM Firmware Storage	2 MB
Applications per Controller	32
Programs per Application	64
Diagrams per Application	128
Tasks per Controller	32
Number of Cycle Times	32
Minimum Application Cycle Time	Down to 1 ms
Current Consumption	+24 VDC: 180 mA typical, 300 mA maximum
Tariff Code	8537101190

Firmware Flash Compatibility and Controller Execution

The PM851AK01 integrates an MPC860 processor with firmware storage through a 2 MB Flash PROM. Therefore, the module executes controller applications, task scheduling, and application program processing within the AC 800M control architecture.

The processor supports up to 32 applications per controller and manages up to 32 controller tasks. Furthermore, application programs can operate with configurable cycle times, including execution periods down to 1 ms for fast control sequences.

The module connects with ABB controller infrastructure through the AC 800M hardware platform. In addition, its firmware architecture supports controller configuration and application management functions within System 800xA environments.

Frequently Asked Questions

Q: What processor architecture does the ABB PM851AK01 use?
A: The PM851AK01 uses an MPC860 processor architecture designed for AC 800M controller execution functions.

Q: What power supply range does the PM851AK01 require?
A: The module requires a 24 VDC supply with an operating range of 19.2 VDC to 30 VDC.

Q: How many controller tasks can the PM851AK01 manage?
A: The processor module supports up to 32 tasks per controller configuration.

Field Installation Guidelines

Install the PM851AK01 according to ABB AC 800M hardware installation procedures. Verify that the controller rack, module positioning, and backplane connections remain free from mechanical stress.

Connect the 24 VDC power supply using correctly rated industrial wiring. Maintain proper cable separation between power circuits and signal communication lines to reduce electrical interference.

Before commissioning, confirm module seating, connector engagement, grounding continuity, and controller firmware compatibility. Avoid handling the module without appropriate electrostatic discharge protection.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems