Key Features
✔ Dual-CPU Redundancy – Hot standby for continuous operation (99.999% availability)
✔ Powerful Processing – 800 MHz CPU with 512 MB RAM
✔ Extensive I/O Support – Connects to S800, S900, and Profibus/Fieldbus modules
✔ Industrial Robustness – Operates in -40°C to +70°C environments
✔ Cybersecurity – Supports role-based access & encryption (IEC 62443 compliant)
✔ Seamless Integration – Fully compatible with ABB System 800xA
Technical Specifications
Parameter Specification
Model Number PM856AK01 (3BSE066490R1)
CPU 800 MHz PowerPC
Memory 512 MB RAM / 128 MB Flash
Redundancy Yes (1:1 hot standby)
Communication Ethernet, PROFIBUS, Modbus TCP, OPC UA
I/O Capacity Up to 250,000 I/O points (system-wide)
Power Supply 24V DC (redundant inputs)
Certifications CE, UL, ATEX (optional)
Typical Applications
Oil & Gas (refineries, offshore platforms)
Power Plants (turbine control, SCADA)
Chemical/Petrochemical (batch processing)
Pharmaceuticals (GMP-compliant automation)
Water Treatment (pump station control)
