Answer / bunny

HVAC stands for Heating,Ventillation and Air
Conditioning.HVAC system includes Chillers,Air Handling
Units(AHU),Fresh Air Handling Units(FAHU),Fan Coil Units
(FCU),Boilers,Variable Air Volume Units(VAV),Constant Air
Volume Units(CAV) etc and all these equipments work
together to maintain the temperature(hotness and coldness)
of a building.

why the SCAN time of DCS is more & that of PLC is less? if the SCAN time of DCS then why we use DCS.

4 Answers  

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If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

0 Answers   Essar, Reliance,

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Types of contol loops

2 Answers  

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what is loop1 and loop2 in MTS LT?

0 Answers   SPGC,

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what is beta ratio?

3 Answers  

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components of control circuit belongs to control valve

0 Answers   KOC,

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why we use 24 vdc in instruments mostly?

2 Answers  

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Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

0 Answers  

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what is sil (safety integrity level

0 Answers   Essar,

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 Answers  

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how to calibrate electro pneumatic positioner 8013 mil controls ltd ?gsr

0 Answers  

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If we increase only P what will be controller action ?

0 Answers   IMECO,

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