Answer Posted / lalith kumar

RS485
RS232
Ethernet TCP/IP
Profibus
Modbus

What is the use of control cable?

1162

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hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q

1882

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How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

1717

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What is force balance principle?

1188

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i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

1477

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Make Heater Process Logic.

2122

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what about your moleg in pogrees with company

2293

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what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2544

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How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1622

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why using negative supply for bentley nevada vibration system ?

2151

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1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

2694

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What is three element drum level control system why its better than single element?

2582

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line up procedure for dp type flow transmitter?

1909

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What is cut off relay? And why use in PLC and DCS?

1382

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Why mmwc unit is used?

1212

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