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For 150 mtr cable run from DCS panel to transmitter (24 VDC with 4-20 ma output), need cable size. 1.5 sqmm is suitable?
NA,
2 4484Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?
1742Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plants instrumentation field , which one field is give long life & which one field is best ,I confused a lot And also I'm studying AMIE, can I choose which field from Section B examination?
1 2931In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?
1791In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?
NSH,
1 3204How can i solve the problem of ROSEMOUNT 5300 guided wave level transmitter of full range? For more clearfication , another guided wave level transmitter VEGA brand have the same problem and i solved it by drain the champer from water and make "false signal suppretion" from transmitter push buttons it's configuration to tell the transmitter to avoid any built-up signal ,,, so my question how can i avoid the problem that rosemount read full range while the champer empty or any other ????
1 2691What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?
1989Post New Instrumentation Questions
what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d
What are different type of instrument cable
IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?
give eg of how I/P is used in control loops
Manipulation of dead wt. tester double piston type.
HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.
Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com
what is the input to be given in digital flow meter during the the calibration time?
What is feed factor and its Importance in cement industry? How we can solve feed factor?.
How to Calibrate Coriolis Flow transmitter in field
Name different parts of a pressure gauge.
A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.
what are the values of fuel flow rate in various places in boiler.
HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?
Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function
