ABB SC300E PAC 031-1053-04

Technical Dossier

Product Details And Specifications

ABB SC300E Series Technical Notes

The ABB SC300E series is a core hardware platform within the ABB Symphony Plus distributed control system (DCS), deployed extensively across global heavy industry sectors including petrochemical refineries, nuclear power stations, pulp and paper mills, and offshore oil and gas platforms. The SC300E architecture provides the backbone for process automation in facilities where continuous uptime is a non-negotiable operational requirement. Its modular design allows engineers to configure redundant control loops, high-density I/O subsystems, and deterministic communication networks within a single unified backplane environment. Installed base counts for SC300E hardware run into the tens of thousands of nodes globally, making long-term spare parts availability a critical procurement concern for plant maintenance teams.

SC300E Full Catalog & Functionalities (SKU List)

The following SKUs represent commonly referenced models within the SC300E series. All models listed are associated with the ABB Symphony Plus SC300E hardware generation. Procurement teams should verify exact part numbers against current ABB documentation prior to ordering.

SC300E PAC 031-1053-04: Process Automation Controller — primary CPU node for SC300E control stations, manages function block execution and CN800 network arbitration.
SC300E CPU 031-1052-04: Central Processing Unit module — redundant processor card for hot-standby controller configurations.
SC300E BRC 031-1060-04: Bus Redundancy Controller — manages switchover logic between redundant controller pairs on the Symphony backplane.
SC300E SER 031-1061-04: Serial Communications Module — provides RS-232/RS-485 interfaces for legacy field device integration.
SC300E NET 031-1062-04: Ethernet Network Interface Module — CN800 Ethernet adapter for controller-to-operator station communication.
SC300E AIS 031-1054-04: Analog Input Module (Single-ended) — 16-channel 4–20 mA / 0–10 V analog input, 12-bit resolution.
SC300E AOS 031-1055-04: Analog Output Module — 8-channel isolated analog output for final control element positioning.
SC300E DIS 031-1056-04: Digital Input Module — 32-channel 24 VDC discrete input for contact closure and proximity switch signals.
SC300E DOS 031-1057-04: Digital Output Module — 16-channel relay output module, rated for motor starter and solenoid valve control.
SC300E PSU 031-1058-04: Power Supply Unit — 24 VDC regulated backplane power supply, supports N+1 redundancy configuration.
SC300E BKP 031-1059-04: Backup Power Module — battery-backed power continuity module for controller memory retention during supply interruptions.
SC300E FAN 031-1063-04: Cooling Fan Assembly — forced-air cooling unit for high-density SC300E enclosure configurations.
SC300E TER 031-1064-04: Terminal Block Interface Module — field wiring termination panel for I/O module signal marshalling.
SC300E RIO 031-1065-04: Remote I/O Adapter — extends SC300E I/O capacity to remote marshalling cabinets via fiber optic link.
SC300E COM 031-1066-04: Communications Processor Module — multi-protocol gateway supporting Modbus RTU, PROFIBUS DP, and HART pass-through.