
Product Description
ABB PM591-2ETH Advanced Processor Module - Model 1SAP150100R0277
The ABB PM591-2ETH processor module stands as a flagship controller within the AC500 programmable logic controller family, engineered to orchestrate complex automation workflows across manufacturing, infrastructure, and process control environments. Model 1SAP150100R0277 combines dual Ethernet connectivity with robust serial communication, delivering the versatility modern industrial systems demand.
Core Technical Specifications
- Memory Architecture: 4MB program and data memory with battery-backed retention
- Dual Ethernet Ports: Two independent 10/100 Mbps RJ45 interfaces supporting Modbus TCP, PROFINET, and EtherNet/IP protocols
- Serial Communication: Integrated RS232 and RS485 ports for legacy device integration and fieldbus connectivity
- Processing Power: High-speed RISC processor executing complex logic, motion control, and data handling tasks
- Operating Temperature: -25°C to +60°C for harsh industrial environments
- Programming Environment: Compatible with CoDeSys V3 IEC 61131-3 development platform
- Expansion Capability: Supports up to 31 I/O modules via AC500 backplane architecture
- Diagnostic Features: Built-in web server, SNMP monitoring, and real-time clock with calendar function
Application Domains & Use Cases
Manufacturing facilities leverage the PM591-2ETH for coordinating multi-axis motion systems, robotic work cells, and conveyor networks where deterministic Ethernet communication ensures microsecond-level synchronization. Water treatment plants deploy this processor to manage SCADA networks spanning distributed pump stations, with dual Ethernet enabling network redundancy and seamless failover. Building automation integrators appreciate the module's ability to bridge legacy BACnet/Modbus devices with modern IoT platforms through its versatile communication stack.
System Integration Advantages
The dual Ethernet architecture allows simultaneous connection to plant-floor networks and enterprise IT systems without requiring external gateways—one port handles real-time I/O communication while the second interfaces with MES/ERP databases. The RS485 port excels at polling energy meters, variable frequency drives, and third-party instruments using Modbus RTU, while RS232 supports barcode scanners and legacy HMI terminals. Swiss precision manufacturing ensures EMC compliance and vibration resistance meeting EN 61131-2 industrial standards.
Configuration & Deployment
Engineers program the PM591-2ETH using ABB's Automation Builder software, which provides graphical function block diagrams, structured text, and ladder logic editors. The integrated web server enables remote diagnostics and firmware updates without specialized tools—simply navigate to the module's IP address for status monitoring and parameter adjustment. Hot-swappable SD card slots facilitate program backup and rapid controller replacement during maintenance windows.
Complementary System Components
| Product | Function | Link |
|---|---|---|
| ABB PM862K02 Redundant Processor | High-availability AC800M controller with 67MHz processing and 32MB memory | View PM862K02 |
| ABB CI830 Profibus DP Module | AC800M communication interface for Profibus fieldbus integration | View CI830 |
| ABB AI810 Analog Input Module | 8-channel 12-bit analog input for sensor signal acquisition | View AI810 |
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