which processor is used in dcs.
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why relays are used with plc?
How to Calibrate Level Troll in field
WHAT IS D/O D/I AND A/O A/I PLZ EXPLAIN
Consider a level troll. i am getting a correct value in 4mA and 20mA. the value in the middle(30 to 60%)is disturbed and i am not getting the appropriate value. what is the solution to normalize the level and to get the correct value..
why I need valve guard and whats different between guard and positioner ??
How to calibrate the control valve.
What is DCS?
Explain , how timer based pneumatic control valve will work ?
what is the Difference Between Domain and Station?
Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.
PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS
what are the steps to follow force a particular input or out put from ics triplex esd system?