pid control


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Questions / { pid control }
Questions Answers Category Views Company eMail

What is Cryogenic?

 2 Instrumentation 4496

What are the automatic controller MODES?

DEWA,

2 Instrumentation 10630



Answers / { pid control }

Question { 8901 }

how to trim the pressure transmitter ?


Answer

Ensure that you have the necessary document on your hand
such as PTW.
Connect a HART Communicator, then close the Tx isolation valve
and open the VENT isolation to atmosphere.
Apply LRV and check w/ HART Comm, if the LRV is out, perform
TRIM function using HART 375/475

Is This Answer Correct ?    6 Yes 1 No

Question { DEWA, 10630 }

What are the automatic controller MODES?


Answer

Following are the mode of control. Ratio Control, PID
Control, PI Control, ON/OFF Control, Cascade Control,
Override Control, Feedback Control, Feed Froward Control.
These control are can be set in to MAN and AUTO Mode, If
this in MANUAL the mode of control is disable, If this is in
AUTO the mode of control is enable.

Is This Answer Correct ?    14 Yes 0 No