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Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.
2156what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.
2313what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?
15 105783what is the difference between RS 232,RS 485,RS 422, how they different from each other
TCS,
15 46068A differential transmitter is calibrated to measure the flow of lquied, explain what wil happen if the fluid is not pure but contains some bubble?
2 6878Sir i am studying M.sc,(Tech.)Electronics and Instrumentation in Andhra university.What is the offers for me?
4 8459we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.
2571Post New Instrumentation Questions
Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264
How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?
With N nodes and B branches what will have a network ???
What is Droop? What is Step/Gradient Limiter in Turbine Governor control?
which processor is used in dcs.
How to Calibrate Ultrasonic Level Transmitter in field
What are different types of control valves?
What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem?
why fuse block is not used for AI signal?
How will you calibrate PID controller? explain with example.
how is work pressure switch& level switch?what is the principle of this?
what is dc moter.
TEMPERATURE VARIATION FOR FREQUENTLY.
If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?
State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.
