Answer / praveen kumar

First check project what kind and what parameters you want
to control like flow,temperature,level,pressure and then
acccording to that how many inputs y needed then y decided
for PLC ok

Answer / solomon

first study laddder logic diagram.In programming i/o
addressing only difference for different plc make.allen
bradley is the best plc.

LADDER LOGIC Can any body state Logic on following condition Instructions to use 1-XIC 2-XIO 3-Output ONLY Program Push 1st button On - 1st lamp should On Then Push 1st button Off - 1st Lamp Should remain on Push 2nd button On - 1st lamp should Off and 2nd lamp should On Then Push 2nd button Off - 2nd Lamp Should remain on.

4 Answers  

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how does pressure is converted into milli amps in pressure transmitter? plzzz explain practically

1 Answers   rsystems,

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The wire is disconnected from the temperature sending unit (magnetic gauge). A voltmeter connected to the wire reads 0v. What does this indicate?

2 Answers  

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How to calibration a control valve?

0 Answers  

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is any standard angle for thermowell mounting for horizontal and vertical pipe lines?

3 Answers  

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what are the steps to commissioning a DCS system?

2 Answers   BGR Energy,

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In electronic board one fuse(rating 230v,100ma)showing 2.5 ohms with multimeter,then the fuse is healthy or not.

4 Answers  

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how will do square root transmitter calibration

2 Answers   Roche,

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What should be the stanchan Height for installation of Smoke detector & toxic gas detector in field,according to qatar standard

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I have a close vessel tank which is under vaccum when in running condition so pl. Provide it's range for dp type tx whose flange to flange distance is 440 mm and density is 1

1 Answers  

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what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.

0 Answers   L&T,

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What is scale factor of proximitor & unit of the viabration.

2 Answers   Sabic,

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