If you SOURCE your outputs from a PLC, would you have to make the output HIGH, or LOW, in order to switch an output ON?

1 Answers  

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Give me a simple formula to calculate the bore of orifice plate with datas avilable instead of BS 1040.I want to calculate the approximate bore size only.

0 Answers  

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I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

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how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

0 Answers   Honeywell,

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How to find out the current of two motors having same power consumption but different RPM?

0 Answers  

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what is sil (safety integrity level

0 Answers   Essar,

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hi this is noor in my work spot, i arranged THERMOCOUPLE in the place of RTD. (in FEED WATER tank). can i use T/C or not?

10 Answers  

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What is the procedure of DP switch calibration 

2 Answers   NOCL,

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wt is cold junction compensation

1 Answers  

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what is hall effect?where it is use in power plant?

2 Answers  

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What is passive connection of instrument in different type of I/O module

1 Answers  

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