Suppose this valve control system has a problem. The control valve (LV-104) does not move to the full-open position as it should when the solenoid is de-energized, although it will move when the 4-20 mA current signal to the I/P transducer is varied while the solenoid is energized:
Solenoid Valves Problems
Identify the likelihood of each specified fault for this circuit.
Consider each fault one at a time (i.e. no coincidental faults), determining whether or not each fault could independently account for all measurements and symptoms in this circuit.
Answer :
The below tables shows the solutions, showing possible faults and Impossible faults.
Share Your comments on the below answers.
5 comments
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Is it possible your side ( instrumentation tool ) to active again the facility ” save”
Regards,
Supeno Adi
From Today on wards, you can directly save the content from the website. Restrictions removed, users have the access to copy/download the articles for their personal use.
This is a great decision! Thank you.
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Share knowledge to improve (y).
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