
Product Description
ABB PM591-ETH AC500 Programmable Logic Controller Processor Module
The ABB PM591-ETH (1SAP150100R0271) represents a high-performance processor solution within the AC500 scalable PLC family, engineered for demanding industrial automation applications requiring robust connectivity and computational power.
Technical Specifications
- Memory Architecture: 4MB program memory with battery-backed RAM retention
- Network Interfaces: Dual Ethernet 10/100 Mbps ports with integrated switch functionality
- Serial Communication: 2× configurable RS232/RS485 ports for legacy device integration
- Fieldbus Expansion: FBP (Fieldbus Plug) interface supporting CANopen, PROFIBUS-DP, DeviceNet
- Power Supply: 24V DC nominal (19.2-30V DC operating range), 800mA typical consumption
- Operating Temperature: -25°C to +60°C (extended industrial grade)
- Programming Standards: IEC 61131-3 compliant (LD, FBD, ST, IL, SFC)
- Cycle Time: Boolean instruction execution <0.1μs
Application Scenarios
Manufacturing Automation: Coordinates multi-axis motion control systems in packaging lines, integrating servo drives, HMI panels, and vision systems through Ethernet/IP protocols.
Building Management: Centralized HVAC control across commercial facilities, managing 200+ I/O points with real-time energy monitoring via Modbus TCP gateways.
Water Treatment Plants: Supervises pump sequencing, chemical dosing, and filtration processes with redundant communication paths ensuring 99.9% uptime reliability.
System Integration Solutions
Deploy the PM591-ETH as the master controller in distributed architectures, leveraging its dual Ethernet ports for network redundancy. The integrated switch eliminates external networking hardware, reducing cabinet space by 30%. RS485 interfaces enable direct connection to legacy instrumentation without protocol converters.
Pair with ABB PM891K02 AC 800M Controller for high-availability redundant configurations, or integrate with ABB UAD149A11 Excitation Controller in power generation applications requiring synchronized control loops.
Frequently Asked Questions
Q: Can this processor handle simultaneous Modbus TCP and EtherNet/IP communication?
A: Yes, the PM591-ETH supports multi-protocol operation with up to 16 concurrent TCP connections across both Ethernet ports, enabling seamless SCADA integration alongside machine-level HMI communication.
Q: What is the maximum I/O capacity for this processor?
A: The module supports up to 4096 digital I/O points and 1024 analog channels when expanded via AC500 I/O modules on the FBP backplane or remote I/O stations over fieldbus networks.
Q: Is hot-swapping supported for program updates?
A: Online program modifications are supported through CoDeSys programming environment with change-on-the-fly functionality, minimizing production downtime during logic updates.
Warranty & Support
Backed by a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Technical support includes firmware updates, configuration assistance, and replacement coordination through our global service network.
Related Products
| Product | Application | Link |
|---|---|---|
| ABB PM891K02 AC 800M Controller | High-performance redundant control | View Product |
| ABB UAD149A11 Excitation Controller | Generator excitation systems | View Product |
| ABB PPD113B03 Process Controller | Distributed process control | View Product |
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