Answer / john

During the design and engineering of a process plant, a
good
designer should plan for _the process requirements_,
_client specifications_ and
_fundamental_ aspects of the plant

if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 Answers  

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when i installed Allen_bradley_RsLogix_500_Pro_V_7.0,after installation it gives the fatal error.it need activation file.from where and how i can find its activation file.

6 Answers  

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protection relay watchdog contact operation?

0 Answers   L&T,

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How to work temperature gauge?

0 Answers   KJS,

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what is unit and element of viberation?

1 Answers   Kentz, KOC,

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Why are the uses 24vdc in industries

0 Answers  

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please give me combustion cntrl interlock details? if possidle drawing also?for this one is there any website ?

1 Answers  

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what is the difference between RS 232,RS 485,RS 422, how they different from each other

15 Answers   TCS,

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Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in some applications?

4 Answers   Jindal,

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Can be operate control valve without positioning if yes ? how and why?

4 Answers   Focus,

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how far the two wire transmission (loop power) maximum distance suitable?

2 Answers   PCIL,

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what is dedband in instrumentation ?

3 Answers  

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