modbus and profibus communication difference?

1 Answers  

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what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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what is input and output cards of plc needs to be hot swappable mean

1 Answers  

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what is interlock ckt? why it is necessary in industrial machines ?

2 Answers   IOCL,

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types of valves

3 Answers   Bindal Papers, Kuwait Oil Company,

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Dear All can any one told me that VFD Make ABB Model ACS800-01 used for dual Source like 1.DC Source applied at terminal UDC+,UDC- 2. 3 phase 400AC,50Hz

1 Answers  

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what is difference between hart signal and analog signal (4 to 20 ma)

2 Answers   Takreer,

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How to Calibrate Level Troll in field

0 Answers  

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how to calibrate the radar transmitter for measuring the exact tank level if tank is having agitator moving continiously because due to agitator tank surface level will vary every time.

2 Answers  

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whatis virtual instrumention?

5 Answers  

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what is meant by nuclear collector?

0 Answers  

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What is Square Root Extractor for?

9 Answers   Sabic,

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