Transcription of Introduction to Building Automation Systems (BAS)
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Introduction to Building Automation Systems (BAS)
3/11/20131 Introduction to Building Automation Systems (BAS) Ryan R. Hoger, LEED R. Hoger, LEED Automation SystemszCentralized controlszChange scheduling for multiple HVAC units at same timezMonitor health of equipmentzInternet accessiblezAlarming via text msg or emailzCollect/trend datazIntegrate to lighting control or security system3/11/20132 What is DDC?zDDC -Direct Digital Controlof an HVAC systemzA method of monitoring and controlling HVAC system performance by collecting, processing, and sending information using sensors, actuators, and is DDC?zDDC is the conceptor theory of HVAC system control that uses digital controlszPhysically, DDC encompasses all the devices used to implement this control method: a whole group of DDC controllers/microprocessors, actuators, sensors, and other - the Control Theoryinput-process-output cycleWhat Is a Point?
3/11/2013 4 Four Kinds of Points zAnalog input-a sensor that monitors physical data, such as temperature, flow, or pressure. zDiscrete input-a sensor that monitors status. Momentary and maintained switches, ON-OFF equipment status, and digital pulses from flow
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