What is the definition of direct acting valve & reverse acting valve

2 Answers  

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What is an analog input - output , digital input - output . Any example ???? How they r known its ai-ao or di - do

4 Answers   Torrent Pharma,

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plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500

3 Answers  

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how many type of control valve?

10 Answers  

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how to calibrate electro pneumatic positioner 8013 mil controls ltd ?gsr

0 Answers  

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What is modbus?

0 Answers  

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what is start up vent valve ? why it is used in boiler?

8 Answers   ACC, Bhushan Power Steel,

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which type signal in & out in dcs

4 Answers  

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How to measure the dust in chimney(spm)?

0 Answers   Thermax,

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difference between accuracy and precision

6 Answers   Honeywell, ONGC,

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How digital input and digital output 's are working in dcs

0 Answers   BBV, Indiabulls,

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how control valve works?

7 Answers   Qatar Airlines,

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