Overview
Configured for redundant CPU execution and control task processing in ABB System 800xA and AC 800M platforms, the ABB PM865K01 (PM865 Processor Unit) provides direct physical and electrical execution for automation application processing, communication handling, and controller synchronization.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM865K01 / PM865 Processor Unit Kit |
| Brand | ABB |
| Product Type | Processor Unit / CPU Module |
| System Compatibility | ABB System 800xA, AC 800M Control Software |
| Origin | Sweden |
| Processor Type | Central Processing Unit for AC 800M controller platform |
| CPU Clock Speed | 96 MHz |
| Application Memory | 32 MB RAM |
| Non-Volatile Memory | Flash memory for firmware and application retention |
| Redundancy Support | Dual CPU high-availability configuration |
| Power Supply Input | 24 VDC (19.2 – 30 VDC) |
| Power Consumption | Approx. 15 W – 20 W depending on system configuration |
| Communication Interfaces | 2 x RJ45 Ethernet ports, 1 x RS-232C diagnostic port |
| Module Expansion | CEX-Bus and ModuleBus support |
| Operating Temp | 5 deg C to +55 deg C |
| Storage Temp | -40 deg C to +70 deg C |
| Relative Humidity | 5% to 95%, non-condensing |
| Protection Rating | IP20 |
Industrial Control Bus and Firmware Compatibility
The ABB PM865K01 operates as a controller processing unit within the AC 800M architecture. It exchanges application data through the controller backplane and supported communication interfaces. The processor supports firmware-based configuration management and flash memory retention for controller software storage.
In addition, the module supports ABB control network communication through Ethernet interfaces and connects distributed I/O systems through ModuleBus and CEX-Bus expansion structures. The controller architecture allows I/O density scaling by adding compatible communication and interface modules.
The PM865K01 supports redundant processor configurations. In a dual CPU arrangement, the standby processor maintains synchronized application execution data and performs controller takeover when the active unit becomes unavailable.
Frequently Asked Questions
Q: Does the ABB PM865K01 support redundant controller operation?
A: Yes. The PM865K01 supports dual processor redundancy configurations within ABB System 800xA and AC 800M systems. The redundant CPUs synchronize application execution data for controller switchover operation.
Q: Which communication interfaces are available on the PM865K01?
A: The processor unit provides two RJ45 Ethernet ports for control network communication and one RS-232C port for diagnostic and engineering tool connection.
Q: Can the PM865K01 operate with online application changes?
A: Yes. The AC 800M control platform supports online configuration and application updates while the controller remains in operation, depending on system configuration and application restrictions.
Field Installation Guidelines
Install the PM865K01 in the designated AC 800M controller mounting position and verify mechanical engagement with the controller backplane before power application.
Connect Ethernet communication cables according to the network topology requirements. Keep communication wiring separated from high-voltage power cables and high-current switching conductors to reduce electromagnetic interference.
Connect protective grounding according to the cabinet grounding design. Use proper cable shielding and terminate shields according to ABB installation documentation for the specific System 800xA configuration.
Before commissioning, verify controller firmware compatibility, module addressing, communication status, and redundancy synchronization status through the engineering workstation.
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