Description

ABB PM867 3BSE076356R1 AC 800M Processor Unit

The ABB PM867 3BSE076356R1, also cataloged as the PM867 Processor Unit, provides CPU execution, memory management, and communication control within ABB AC 800M controller platforms. The module executes application logic, manages CEX-Bus connected communication units, and exchanges process data through System 800xA control networks.

Hardware Specifications

Parameter	Specification
Model	PM867 3BSE076356R1
Brand	ABB
Product Type	AC 800M Processor Unit
Origin	Sweden
Operating Temp	Refer to ABB AC 800M hardware documentation
Power Consumption	Supplied through TP830/TP85x baseplate, typically 24 VDC system supply
Controller Family	ABB AC 800M
System Platform	ABB System 800xA
Processor Architecture	Motorola PowerPC based processor architecture
Memory	Onboard RAM and non-volatile flash memory
Communication Interfaces	Ethernet interfaces for Control Network and CEX-Bus communication
Expansion Capacity	Supports up to 12 CEX-Bus expansion units
Protection Class	IP20 installation environment
Redundancy Support	Supports CPU redundancy configuration with compatible hardware setup

Industrial Control Communication and Firmware Compatibility

The PM867 uses ABB AC 800M controller architecture to manage deterministic control execution and communication processing. Furthermore, the controller supports CEX-Bus expansion for integration of communication interfaces and field connection modules.

The processor unit provides firmware-controlled hardware operation through onboard flash memory. Therefore, firmware compatibility must match the installed AC 800M system version before configuration or replacement activities.

The module supports industrial network expansion through ABB communication units, including interfaces used for process control integration. Additionally, the controller architecture allows I/O density scaling for systems requiring expanded signal processing capacity.

Frequently Asked Questions

Q: Does the ABB PM867 support redundant controller configurations?
A: Yes. The PM867 supports CPU redundancy configurations when installed with compatible redundant hardware components and approved AC 800M system configurations.

Q: How does the PM867 communicate with expansion modules?
A: The PM867 communicates with external communication and expansion units through the CEX-Bus interface. The system supports multiple CEX-Bus connected units according to AC 800M configuration limits.

Q: What power supply method does the PM867 use?
A: The PM867 receives system power through the compatible AC 800M baseplate assembly. The typical system supply voltage is 24 VDC.

Field Installation Guidelines

Install the PM867 on the specified ABB AC 800M baseplate and secure all mechanical locking components before energizing the controller system.

Maintain proper cabinet ventilation and ensure that the installation environment meets ABB AC 800M hardware requirements. Avoid installing the processor unit near high electromagnetic interference sources.

Connect communication cables according to ABB wiring specifications. Use correct shielding and grounding methods for Ethernet and field communication wiring to reduce electrical noise.

Before replacing an installed PM867 unit, verify firmware compatibility, controller configuration backup status, and redundancy synchronization conditions.

Specifications

• Brand: ABB

Advantages

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