Overview
The ABB PM585-ETH serves as the primary PM585 Processor Module utilized to execute control logic processing, Ethernet communication, and I/O data exchange across ABB AC500 platforms. The module integrates CPU resources, Ethernet connectivity, serial communication interfaces, and local display functions for controller-level operation within the automation system.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM585-ETH |
| Brand | ABB |
| Product Series | AC500 |
| Product Type | Processor Module |
| Product ID | 1SAP140500R0271 |
| Memory | 512 KB User Program Memory |
| Communication Interfaces | Ethernet, 2 x RS232/485 |
| Display | Integrated Display |
| Rated Voltage | 24 VDC |
| Supply Voltage Range | 20.4 to 28.8 VDC |
| Protection Rating | IP20 |
| Operating Temp | 0 to 60 deg C |
| Storage Temp | -40 to 70 deg C |
| Dimensions | 76 x 67.5 x 62 mm |
| Weight | 0.137 kg |
| Origin | Germany / Finland |
| Power Consumption | Not specified in available documentation |
Backplane Bus Communication Architecture
The PM585-ETH processor exchanges process data with local and distributed I/O assemblies through the AC500 system architecture. Program execution, communication handling, and memory management are performed within the processor while maintaining synchronization with connected expansion modules through the controller backplane.
Integrated Ethernet communication enables controller-level data exchange with engineering stations and network-connected devices. Communication performance depends on system configuration, network loading, firmware revision, and connected I/O topology. Firmware compatibility should be verified before controller upgrades or memory restoration procedures.
Frequently Asked Questions
Q: Does the PM585-ETH provide integrated Ethernet communication?
A: Yes. The processor includes an onboard Ethernet interface in addition to two integrated RS232/485 serial communication ports.
Q: Can firmware revisions affect communication module compatibility?
A: Yes. Firmware versions should be verified against the installed engineering software and connected AC500 hardware before system updates are performed.
Q: Is processor hot-swapping specified for the PM585-ETH?
A: No hot-swap capability is specified in the available documentation. Processor installation or replacement should be carried out with controller power removed unless otherwise defined by ABB maintenance procedures.
Field Installation Guidelines
- Install the processor module on the designated AC500 mounting rail and verify secure mechanical engagement.
- Confirm that the incoming supply voltage remains within the specified 20.4 to 28.8 VDC operating range before energization.
- Route Ethernet and serial communication cables separately from motor power cables, contactor wiring, and variable-frequency drive outputs.
- Terminate communication cable shields according to plant grounding standards and maintain a continuous protective earth connection.
- Verify sufficient enclosure ventilation to maintain ambient operating temperature within specified limits.
- Inspect all backplane and expansion module connections before controller startup.
- Validate communication parameters, network addressing, and controller configuration before commissioning.
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