Description

ABB PM861AK01 3BSE018157R1 Processor Unit Kit

Configured for CPU execution and controller task management in the ABB AC 800M control system, the ABB PM861AK01 3BSE018157R1 (PM861A Processor Unit Kit) provides direct processing and communication functions within the controller hardware architecture.

Hardware Specifications

Parameter	Specification
Model	PM861AK01 3BSE018157R1
Brand	ABB
Product Type	Processor Unit Kit
Series	AC 800M Controller
Origin	Sweden
Weight	0.98 kg
Dimensions	19 x 12 x 13.2 cm shipping size
Operating Temp	-5 deg C to +55 deg C
Storage Temp	-25 deg C to +70 deg C
Humidity	5% to 95%, non-condensing
Power Supply	24 VDC
RAM	512 MB

Backplane Bus Communication and Firmware Compatibility

The ABB PM861AK01 operates as a processor node within the AC 800M controller platform. Therefore, it manages application execution, controller communication, and internal data processing through the system backplane architecture.

The processor unit supports industrial control configurations requiring deterministic communication timing between CPU resources and connected I/O modules. In addition, the controller firmware environment defines compatibility with installed application software and system configuration tools.

The AC 800M architecture supports modular I/O density scaling through connected S800 I/O interfaces. Furthermore, the processor unit maintains communication coordination between control logic execution and distributed field devices.

Frequently Asked Questions

Q: What is the primary function of the ABB PM861AK01 processor unit?
A: The PM861AK01 executes controller application logic and manages communication tasks within an ABB AC 800M control system.

Q: What power supply does the PM861AK01 require?
A: The module requires a 24 VDC power supply according to the provided technical specifications.

Q: What memory capacity is available in the PM861AK01?
A: The processor unit includes 512 MB RAM for controller application processing and system operations.

Field Installation Guidelines

Install the PM861AK01 according to ABB AC 800M hardware configuration procedures. Verify that the mounting position provides sufficient ventilation and that the module seats correctly on the controller backplane.

Before energizing the system, confirm the 24 VDC supply polarity and verify grounding connections. Use appropriate industrial wiring practices to separate power cables from sensitive communication lines.

During commissioning, check firmware compatibility between the processor unit, engineering tools, and connected I/O modules. Maintain proper cabinet environmental conditions within the specified operating temperature and humidity ranges.

Specifications

• Brand: ABB

Advantages

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