Digital Analog Annunciation & Controller

Digital Analog Annunciation & Controller

Digital Analog Annunciation & controller (DAA) is designed for the large industrial plants, world wide. DAA gives combined solution for Metering, Annunciation and ON/ OFF control of any condition. Its 24 channel annunciation is custom configurable and it fits in to compact 144 x 144mm, standard size. DAA is a microcontroller based system. It is next generation system, where on can configure the Meterin, Annunciation and ON/OFF control as per the site requirements. Its RS485, MODBUS communication port makes it more versatile for remote monitoring and control application. DAA find its application in almost all type of Manufacturing, Process industry and Power Plants.


  • Optically isolated inputs
  • 13 analog inputs (4-20 mA) with Threshold settings
  • Programmable set/ reset values for Threshold
  • Scrolling display for analog readings
  • Editable text for 13 analog inputs
  • 24 Digital inputs (24V)


  • Optically isolated outputs
  • RS 485 MODBUS Post for remote communication
  • 2 x 12 fault annunciation windows with programmable fault location
  • 13 digital Outputs (24V) corresponds to Threshold
  • Potential free contacts for common and group alarm/ buzzer

Key Board

  • Four keys – Accept, Test, Reset and Hold functions of annunciation
  • Four keys for entering program


Third Party Type Test carried out at QUEST
Accuracy: 0.5%

Optional Signal conditioning card having following inputs

  • Four channel 0 to 500 V DC input 4-20 mA output
  • Four channel 0 to 75 V DC input 4-20 mA output
  • Signal channel -75 to +75 mV DC input 4-20 mA output
  • Two channel 0 to 18 V AC input 4-20 mA output
  • Two channel 0 to 1AAC input 4-20 mA output

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