What is the role of integral in PID controller

3 Answers  

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can i use capillary type dp transmitter converted to capillary type pressure transmitter. if i removed one side capillary tube its work correctly?

1 Answers  

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What is the difference between Error and Offset.

1 Answers  

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what is the significance of hook up

3 Answers  

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On drum level, why we are using air to close Control valve?

4 Answers   L&T,

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What are different types of control valves?

0 Answers  

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Pls.could any one Clarify the following with an example. 1.At What condition Close on Rise and Close on Fall Pressure Switch contacts are used. 2.If Pressure is abnormal as per set pressure,if connecting Terminal of pressure switch breaks,how the voltage extends to Relay base. 3.Are these contacts come under fail safe philasaphy.

1 Answers  

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how to calibrate absolute pressure transmitter

7 Answers   ABB,

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How to calibrate the pressure Transmitters

1 Answers  

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What is the maximum operative of Drive ?

2 Answers   Reddy Labs,

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Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?

0 Answers   Chagalesh Consulting Engineers,

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if differential pressure created by orifice falls below vapour pressure of liquid flowing through it what will happen

1 Answers   BARC,

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