QEL Q-Controller

QEL Q-Controllerpdf

The new Q-Controller includes features that are unique to the gas detection industry. The system uses an RS-485 communication protocol that accommodates 128 channels through four digital ports.


  • Wireless Communication with smart devices
  • Seven-inch touchscreen display
  • Data-logging
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In addition there are 128 analog inputs from any 4-20 mA device and equally 128 4-20 mA outputs. There are also up to 128 binary inputs and 128 binary outputs. Standard is a Modbus output from the controller as well as an available BACnet IP output.

The system communicates wirelessly for programming and downloading of data through your smartphone or tablet device. Input/output boxes can be installed anywhere in the RS-485 network for ease of installation of additional sensors. A touch screen graphic display is used for programming. All relevant gas detection data, such as relay status, historical data, location and addresses of sensors are displayed by scrolling through multiple screens.

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