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Keterangan
ABB PM867 Processor Unit
The ABB PM867 3BSE0763561, also cataloged as the PM867 Processor Unit, operates as a dedicated hardware component for real-time control execution within the ABB AC 800M controller platform. It processes application logic, manages controller communication, and supports CPU redundancy functions in System 800xA architectures.
Hardware Specifications
Parameter
Specification
Model
ABB PM867 3BSE0763561
Brand
ABB
Product Type
CPU Processor Unit
Series
AC 800M / System 800xA
Origin
Sweden
Operating Temp
0 deg C to +55 deg C
Power Consumption
System backplane supplied; exact current consumption depends on configuration
Processor Type
High-speed industrial control processor for real-time application execution
Memory Capacity
Onboard RAM and Flash memory for application programs, configuration data, and variables
Redundancy Support
CPU hot-standby redundancy configuration supported
Communication Interfaces
Ethernet ports, CEX bus expansion interfaces, diagnostic/service interfaces
Mounting Method
DIN-rail installation within AC 800M controller assembly
Engineering Software
ABB Control Builder Professional and Compact Control Builder
Backplane Bus Communication and Firmware Compatibility
The ABB PM867 uses the AC 800M controller architecture to manage deterministic control execution and module communication through the controller backplane. Therefore, the processor unit supports coordinated data exchange between CPU resources, communication interfaces, and connected I/O modules.
The unit supports firmware flash compatibility within the AC 800M hardware family. Additionally, application execution depends on the installed firmware version, controller configuration, and engineering software revision. Firmware upgrades must match the approved System 800xA compatibility matrix.
The PM867 supports I/O density scaling through AC 800M expansion structures. As a result, users can configure distributed I/O systems while maintaining synchronized controller processing and communication timing.
Frequently Asked Questions
Q: Does the ABB PM867 support CPU redundancy operation? A: Yes. The PM867 supports hot-standby CPU redundancy configurations within compatible AC 800M controller architectures. Redundancy operation requires matched processor units, approved firmware versions, and correct system configuration.
Q: What communication interfaces are available on the PM867? A: The PM867 provides Ethernet communication interfaces for controller networking and CEX bus connections for compatible communication modules such as fieldbus interface units.
Q: Can the PM867 be replaced without changing the complete AC 800M system? A: Replacement is possible when the installed controller configuration, firmware revision, and engineering database support the replacement processor unit.
Field Installation Guidelines
Install the PM867 on the designated AC 800M DIN-rail mounting position according to ABB installation procedures.
Verify that the controller backplane connections are clean and mechanically secured before power application.
Keep Ethernet and communication wiring separated from high-voltage power cables to reduce electromagnetic interference.
Use proper grounding methods for cabinet assemblies and maintain recommended shielding practices for communication cables.
Confirm firmware compatibility before replacing or upgrading the processor unit.
After installation, verify controller diagnostics, communication status, and application execution through ABB engineering tools.
