Direct Digital Controls DDC

Direct Digital Controls Category Index

Direct Digital Controls Commissioning | Building Automation Systems

Direct Digital Controls Commissioning | Building Automation Systems - Preface -This article is not all inclusive of everything required to properly commission a control system. I wrote this because of my observations of a colleague and their frustration on...

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How DDC Status Works – Methods and Types | HVAC Control

How DDC Status Works - DDC and Status – Is the Device On or Off The basics of DDC include learning about the status of a fan or a compressor or pump. How does a DDC controller read the status of the device it is monitoring? There are several ways to prove...

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HVAC Control and Direct Digital Controls 2 | DDC & BAS

HVAC Control and Direct Digital Controls 2 - An HVAC technician who knows nothing about HVAC control systems would wonder how these HVAC control systems work. To understand HVAC controls, one must understand basic electricity and circuits. HVAC Control and...

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SCADA or Supervisory Control and Data Acquisition

SCADA or Supervisory Control and Data Acquisition - SCADA Gear in a large data center provide supervisory control and data acquisition (SCADA) to maintain electrical and mechanical equipment. SCADA System is used in many different industries for controls...

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