Schweitzer SEL-2411 Programmable Automation Controller (PAC)
The SEL-2411 Programmable Automation Controller (PAC) is a rugged industrial controller designed for automating continuous and discrete processes, with a specific focus on small substations, waste water treatment plants, and industrial SCADA automation. Combining IEC 61131-3 logic with extended environmental tolerance, this rugged controller replaces remote terminal units and local PLCs in harsh electrical environments.
Key Specifications
Model: SEL-2411 PAC
Processor: Advanced industrial CPU for automation tasks
Operating Voltage: 125–250 Vdc (120–240 Vac)
Operating Temperature: -40° to +85°C (-40° to +185°F)
Communication Protocols: Modbus RTU, Modbus TCP, DNP3, DNP3 LAN, SEL MIRRORED BITS, IEC 61850 (with Goose Messaging)
I/O Options: Flexible configurable Digital Inputs, Digital Outputs (Relay), Analog Inputs (4-20 mA / ±10Vdc), Fast High-Speed Counter Inputs
Programming Languages: SELOGIC control equations, IEC 61131-3 (Ladder Diagram, Function Block Diagram, Structured Text)
Monitoring: AC Metering (Voltage, Current, Power, Energy) optional
Safety Compliance: UL Listed, ANSI/IEEE, Class 1 Division 2 (Hazardous Locations)
Warranty: Ten-year, worldwide warranty
Capabilities and I/O
The SEL-2411 is built to withstand electrical surges, fast transients, and extreme temperatures. It is available in configuration 241122B2X3B3B5X0130, likely indicating specific firmware and hardware options. It also supports precise time synchronization via IRIG-B or SNTP.
Applications
The SEL-2411 is ideal for water pumping stations (Simplex/Duplex), natural gas measurement, substation automation, industrial powerhouse DCS, and chemical plant automation systems. Its SELOGIC control equations replace external timers and latching relays.
Conclusion
The Schweitzer SEL-2411 PAC brings relay-grade reliability to industrial automation, with extreme temperature tolerance and integrated SCADA connectivity.
