The GDS Combi Addressable Smart Controller

The GDS Combi Controller offers 1-64 addressable and 1-16 direct 4-20mA sensors with a wide range of communications and logging options.

The Combi has been designed to operate in the full range of environments from commercial premises through to heavy industrial applications which may require hazardous area sensing. Typical monitor locations are public buildings, car parks, tunnels, breweries, boiler plant rooms, water treatment works, H&V control, manufacturing, process plants, horticulture, hotels, offices and more.


  • Up to 64 addressable sensors per controller
  • Network system up to 16 controllers (1024 Sensors)
  • 1-16 direct 4~20mA sensors - 2/3 wire or standard catalytic mV sensors
  • Single 4 core sensor network (addressable)
  • Parameter set up via PC or front panel
  • On screen text description of sensor locations
  • Three alarm levels with time to alarm - option
  • Event data logging - internal 99 events
  • Low cost installation
  • One man calibration utilising peak readings
  • Automatic safety check diagnostics/system surveillance
  • Eight 4 to 20 mA analogue output - option
  • Repeater panel - option
  • 64 Additional relays - option
  • Continuous data logging via PC - option
  • Programmable 4 way relay board - option