any thing about plcs?

4 Answers  

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When a timer is placed in RS Logix 5000 with preset value less than its scan time it is malfunctioning. i.e., if the preset is set to 30ms still the timer TT bit is counting till 150ms(its scan time). Any solution for the problem?

2 Answers   Balco,

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Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

0 Answers  

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What are difference between automatic and manual control system?

5 Answers  

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What output voltage the proximity switch shows when it is in open enviornment?

1 Answers  

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why pneumatic control signal output is use 0.2 to 1 kg/cm2

3 Answers   Jindal,

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give me the formula for analog to digital converter and also d to a converter

0 Answers   ACC,

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for commissioning the DPT and Flow Transmitter , what kind of necessary activities we have to check and do? specially that orifice flange valve[ isolation valve}

1 Answers   L&T,

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How would you choose differential range?

0 Answers  

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what is the function of 3 way manifold valve in a closed loop system?

1 Answers   Emerson,

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What is difference between Ionization heat and bimetallic heat

0 Answers   KOC,

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In thermocouple could we use the lug for termination or not,Thermocouple is any time,I am currently concerned with K type.please let me know if anybody know

4 Answers   Saudi Aramco Shell Refinery Company SASREF,

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