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DOES DIRECT DIGITAL CONTROL (DDC) TECHNOLOGY CALL FOR NEW CONTROLLED DEVICES.

Author(s) : ZWICKER R.

Type of article: Article

Summary

THE BASIC PROBLEM WITH A DIGITAL OUTPUT FROM A CONTROLLER CONVERTED TO A VOLTAGE FOR CONTROL OF A MODULATING DEVICE IS THAT THE CONTROL INEVITABLY BECOMES STEPPED. THE AUTHOR GIVES EXAMPLES OF THE ACTIONS RESULTING IN A MOTORISED VALVE AND A SOLENOID DEVICES IN WHICH HYSTERESIS PLAYS A PART. D.W.H.

Details

  • Original title: DOES DIRECT DIGITAL CONTROL (DDC) TECHNOLOGY CALL FOR NEW CONTROLLED DEVICES.
  • Record ID : 1992-0164
  • Languages: English
  • Source: S. A. Refrig. Aircond. - vol. 7 - n. 3
  • Publication date: 1991/05
  • Document available for consultation in the library of the IIR headquarters only.

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