Overview
Configured for controller execution and communication management in the ABB System 800xA automation platform, the ABB PM865K01 (PM865 Processor Unit) provides direct processing, memory handling, and bus communication functions for AC 800M controller systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM865K01 / PM865 |
| Brand | ABB |
| Origin | Sweden |
| Product Type | CPU Processor |
| Controller Series | AC 800M / System 800xA |
| Processor Type | 32-bit RISC processor, MPC8260 |
| Clock Frequency | 133 MHz |
| Memory | 32 MB RAM, 8 MB Flash Memory |
| Redundancy Support | Hot-standby CPU redundancy and power supply redundancy |
| Safety Integrity Level | Up to SIL3 with SM811/SM812 High Integrity modules |
| Power Supply | 24 VDC (19.2 VDC to 30 VDC range) |
| Power Consumption | Approx. 12 W to 15 W |
| Communication Ports | 2 x Ethernet ports (CN1, CN2), 2 x RS-232-C ports (COM1, COM2) |
| Bus Interfaces | ModuleBus and CEX-Bus |
| Maximum CEX-Bus Units | Up to 12 modules |
| Real-Time Clock | Integrated battery-backed RTC |
| 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 |
| Dimensions | Not specified in provided data |
| Weight | Not specified in provided data |
Industrial Control Bus and Firmware Compatibility
The ABB PM865K01 operates as an AC 800M processor module and manages application execution, I/O communication, and controller-level data exchange through the ModuleBus and CEX-Bus interfaces. In addition, the processor supports Ethernet communication channels for system integration within System 800xA architectures.
The controller platform supports firmware-based configuration management and maintains compatibility with ABB AC 800M engineering environments. Furthermore, redundant controller configurations allow firmware maintenance and system updates without stopping the running control application when the redundancy arrangement is properly configured.
Frequently Asked Questions
Q: Does the PM865K01 support redundant controller operation?
A: Yes. The PM865K01 supports CPU hot-standby redundancy configurations together with compatible AC 800M redundancy components. The controller performs synchronization and changeover functions within the configured redundant architecture.
Q: Which communication interfaces are available on the PM865K01?
A: The processor unit provides two Ethernet communication ports and two RS-232-C serial interfaces. It also communicates with connected modules through ModuleBus and CEX-Bus interfaces.
Q: Can the PM865K01 be used in safety applications?
A: The PM865K01 can support High Integrity configurations up to SIL3 when combined with compatible ABB safety modules such as SM811 or SM812.
Field Installation Guidelines
- Install the PM865K01 on the designated AC 800M controller mounting arrangement and verify correct mechanical locking before operation.
- Confirm that the 24 VDC power supply wiring meets industrial control cabinet requirements before energizing the module.
- Keep Ethernet and serial communication cables separated from high-voltage power wiring to reduce electromagnetic interference.
- Connect cabinet protective earth according to standard industrial grounding practices.
- Verify ModuleBus and CEX-Bus connections before downloading controller applications.
- Check firmware compatibility between the processor unit, engineering tools, and connected I/O modules before commissioning.
- Maintain adequate cabinet airflow and ensure the operating environment remains within the specified temperature and humidity range.
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