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Sigma Control Kaeser's revolutionary Sigma Control system is the first compressor control system with an industrial-based PC and Intel® processor. This integrated controller monitors and controls compressor functions and includes a service and operational history feature to provide real-time feedback and increase system productivity. Five different control configurations are available to precisely match compressor performance to air demand. The result: improved energy efficiency, reduced maintenance costs and increased compressed air system reliability.
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Kaeser's PC-based Sigma Control is standard on Kaeser's ASD-HSD series rotary screw compressors, and available as an upgrade to SX, SM, SK and AS series that come standard with Sigma Control Basic.
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Features and functions - Over 30 languages – large plain text display
- Four channel timer with four settings per day, week and year
- Base-load change-over for two compressors
- Dual, Quadro, Vario and Continuous control modes
- Signal input for remote ON/OFF
- Signal input for load/idle
- External alarm for refrigeration dryer
- External maintenance alarm for drain trap
- Volts-free contacts: Controller on, group alarm, motor running; alternative factory adjustable volts-free contacts: Compressor ON, General alarm, remote operation, off-load, on-load, timer activated, timer contact, emergency off, bus alarm, air network pressure low
- “Motor running” changeover contact for ventilation systems, volt-free, max 3 A, 230 V ±10%
- Service hours counter, measurement and status data display
- Interfaces: RS 232 for modem or printer, RS 485 for slave compressor, Profibus DP
- Safety circuit for compressor protection
- Electronic pressure transducer
- Configurable inputs / outputs for additional functionality
Please click on our Sigma Control Quick Reference Card for more information and more details on functions and features.
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