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Air Compressor Solutions

1974:
Foundation by Franz Sorg Development and production of first electronic controllers for screw air compressors

1975 - 1980:
Electronics for electric motors: U1, U2, U3, U4: programmable star-delta time, programmable follow-up time, LED indication of warnings and faults

1976:
Move out of our home garage to our first company production facility. At this time R-S-I has 5 employees.
SSR: „start-stop relay” electronics for diesel driven compressors

1977:
Development of our first electronic controller for water treatment systems

1978:
New generation of controllers: PLCs MK 1, MK 2, MK 6

1980:
Introduction of the first microprocessor based compressor controller

1982:
new modular PLC: E 85

1984:
Move to a new corporate design and production facility (1200 sqm) in Schweitenkirchen / Germany. R-S-I now has 30 employees.
Implementation of SMD technologies for PCB production and processing of analog signals on controller units

1986:
Expansion of production facility by 1000 sqm (total 2200 sqm)

1990es:
Expansion in the German air compressor and water treatment market. Co-operation with leading manufacturers

1990:
First sequencer for air compressor stations

1991:
First customized display for our air compressor controllers

1993 - 1995:
New generation of compact control: K 10, MK 10, MK 100

1996:
Development of electronic controllers for pressure maintenance systems in heating systems.
Own line of field bus couplers: Profibus, Modbus, CAN

1998:
Flash programmable microcontrol. Field download of controller programs possible (software update)

1999:
Teleservice solution for compressor controllers; visualization software for compressor plants

2000:
First graphic display for controllers

2002:
Expansion of production and design facility to 3000 sqm and improvement of factory automation for advanced PCB manufacturing.
First controllers for speed regulated compressors with frequency converters

2003:
New generation of compact controllers: MK 20 GR, MK 20 CM, MK 200-K and TAN GR 128; air compressor plant simulation for testing of sequencers; electronic controller with advanced sensor integration on board pressure sensor and onboard fan motor monitoring

2004:
Compact controller MK 15: integration of onboard pressure sensor

2005:
Start of development of web services for controllers

2006:
Development and production of automative controllers

2007:
Start of development of electronic controllers for wood burning heatings

2011:
New generation of controllers: introduction of color graphic displays (up to 7 inch) and resistive touch

2012:
Expansion of production facility to 4000 sqm
Cooperation with UX Design agencies

2014:
New platform (Linux based) for operating panel with integrated webserver. First use: heating applications.

2016:
New platform is used for development of a new generation of compact compressor controllers.
40th anniversary of RSI in Schweitenkirchen!