Addressable Controllers – Crowcon

Crowcon’s range of addressable controllers are easy to configure and are very user friendly.

There are 3 controller options with different channel input variables.

Local non-intrusive operation & display with simultaneous live reading display and alarm functions via colour LCD display.

There is also a ‘direct to web page’ live feed communication feature to view or action from a remote location.




Addressable gas detection Controllers

There are 3 addressable controller options all identical functionality but with different channel input capabilities.

  • GM16: 1-16 Channel inputs
  • GM64: 1-64 Channel inputs
  • GM128: 1-128 Channel inputs

All available as 19” rack mounted, with enclosure options available for GM16 & GM64.

All controllers are modular, so controller can be configured exactly to requirements. Only include what is needed for the application to reduce complexity and cost.


  • LCD display provides simultaneous visibility for all live channel readings and alarm functions in system setup (up to 64 input variables)
  • 4-20ma analog & RS-485 Modbus communications as standard, as well as HART compatible enabled communications.
  • Direct to web page live feed communication for remote viewing and acknowledgement actions
  • Flexible configuration options allow ability to name controller, name zones, set alarm & relay setpoints
  • Ability to group channels into zoned areas


  • Main data screen – Displays all active channel on same screen. Cells indicate alarm status by colour
  • Bar graph screen – Display 16 channels at a time, side scroll bar for clear coloured indicator for focused channel alarm status
  • 24-hour trend screen – Review 24-hour gas monitor trend for single channel at a time
  • 3-minute trend screen – Review most recent 30-minute trend for single channel at a time
  • Zone screen – Display up to 8 active zones on single screen. Individual channel within zone visibility