Overview
Configured for control program execution and communication management in ABB AC500 PLC systems, the ABB PM590-ETH (PM590 Processor Module) provides direct electrical and data-processing execution. The module integrates CPU resources, onboard display functions, Ethernet communication, dual RS232/485 serial interfaces, and an FBP communication interface within a compact AC500 controller architecture.
Suffix Breakdown & Model Matrix
The supplied documentation identifies PM590-ETH as a fixed catalog designation. No official suffix decomposition or configurable model matrix is specified within the referenced ABB product documentation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM590-ETH |
| Brand | ABB |
| Product Series | AC500 |
| Product Type | Processor Module |
| Product ID | 1SAP150000R0271 |
| Memory | 2 MB |
| Communication Interfaces | Ethernet, 2 x RS232/485, FBP |
| Display | Integrated Display |
| Rated Voltage | 24 VDC |
| Supply Voltage | 20.4 to 28.8 VDC |
| Degree of Protection | 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 referenced documentation |
Industrial Ethernet and Backplane Communication Characteristics
The PM590-ETH processor is designed for operation within the AC500 automation platform, where field communication and local I/O exchange are coordinated through integrated communication interfaces and the controller backplane architecture. The module provides native Ethernet connectivity together with two configurable RS232/485 serial channels and an FBP interface for distributed device integration.
Within an AC500 installation, I/O expansion capacity is determined by the controller architecture and connected expansion hardware. Program execution, communication servicing, and process data exchange are handled by the processor module while maintaining synchronization with connected I/O assemblies through the system bus.
Frequently Asked Questions
Q: Does the PM590-ETH include integrated Ethernet communication?
A: Yes. The processor module includes one Ethernet communication interface in addition to two RS232/485 serial interfaces and one FBP interface.
Q: Can the module operate directly from a 24 VDC control power source?
A: Yes. The documented supply range is 20.4 to 28.8 VDC with a nominal rated voltage of 24 VDC.
Q: Is hot-swapping supported for processor replacement during operation?
A: The referenced documentation does not specify processor hot-swap capability. Processor replacement should be performed according to ABB AC500 maintenance procedures with the controller de-energized unless an approved system procedure states otherwise.
Field Installation Guidelines
- Mount the processor on the designated AC500 DIN-rail assembly according to ABB mechanical installation requirements.
- Verify that the incoming supply voltage remains within the specified 20.4 to 28.8 VDC operating range before energization.
- Separate Ethernet and serial communication wiring from high-current motor and drive cables to reduce conducted and radiated interference.
- Terminate cable shields according to site grounding practices and maintain a single defined protective earth reference.
- Confirm adequate enclosure ventilation so ambient temperature remains within the specified operating range of 0 to 60 deg C.
- Verify communication parameters for Ethernet, RS232/485, and FBP networks before commissioning connected field devices.
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