What is difference between profibus and modbus communication

2 Answers   GMR,

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What is mean by AC voltage and DC voltage

2 Answers  

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all questions related to instrument technician in any offshore oil and gas company.

0 Answers  

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How to measure the dust in chimney(spm)?

0 Answers   Thermax,

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define COMPENSATION??

4 Answers   Bosch,

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What are use of positioner.

6 Answers  

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How to calibration of vibration probe

1 Answers   Mina Al Ahmadi Refinery,

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Can any one tell me what type of question asked for instrumentation and control interview panel??? pls mail ramashankar.goel@gmail.com

0 Answers  

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What is the main three inputs of DCS?

1 Answers  

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how we calculate the range of flow from a dp?i mean if we have a dp,3810mm h2o.how much flow ranges we can use for this DP?

1 Answers  

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can anybody tel me how a vfd or any field instrument communicates/interface with plc/scada/cs.

0 Answers   Honeywell,

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what is the imbustion control loop

0 Answers   Manali Sugars,

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