Key Features ✔ Dual-CPU Redundancy - 1:1 hot standby configuration for 99.999% availability ✔ Powerful Processing - 1.1 GHz dual-core CPU with 1 GB RAM for complex control tasks ✔ Extensive Connectivity - Supports PROFIBUS, Modbus TCP, OPC UA, and Ethernet/IP ✔ Cybersecurity - IEC 62443 compliant with role-based access control ✔ Wide Temperature Range - Operates in -40°C to +70°C harsh environments ✔ Large Capacity - Supports up to 500,000 I/O points system-wide Technical Specifications Parameter Specification Model Number PM866AK01 (3BSE076939R1) Processor 1.1 GHz dual-core Memory 1 GB RAM / 256 MB Flash Redundancy Yes (1:1 hot standby) Communication Ethernet, PROFIBUS DP/PA, Modbus TCP, OPC UA I/O Capacity Up to 500,000 I/O points (system-wide) Power Supply 24V DC (redundant inputs) Certifications CE, UL, ATEX (optional) Typical Applications Oil & Gas (refineries, pipelines, offshore platforms) Power Generation (turbine control, SCADA systems) Chemical Processing (batch and continuous processes) Pharmaceutical (GMP-compliant manufacturing) Water/Wastewater (pump control, treatment plants) System Integration Compatible with: ABB S800/S900 I/O modules PROFIBUS DP/PA and Foundation Fieldbus devices ABB System 800xA DCS Configuration Tools: Control Builder Professional ABB Ability™ Edge Gateway for IIoT connectivity