Answer / bunny

Modbus,Profibus and Fieldbus are industrial standrad
protocols with which instruments are communicating each
other. A protocol is a set of rules that governs
communications within a network, defining everything from
how connections are made between devices to how the message
itself is formatted. They can be implemented through
software, hardware, or both.

Answer / arash

In practical issue , main differents are: Lenghth of
segments , capability for using in hazerdous areas ,
communication speeds , number of devices can be connected
to them and also kind of industry they are going to be
used .

In which principles tx ,pressure gauge,Temp gauge,control valve works?

0 Answers   Bajaj, Professional Instruments,

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PID controller is used for which type of compensation…… a) lead comp. b) lag com. c) lead lag com.

12 Answers   Engineers India Limited,

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What is the GK Value in Flowmeter?

0 Answers   IBPIL, Thermax,

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what is Least Value of MICROMETER?

3 Answers  

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detail of mass flow meter pricipal

0 Answers  

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Paper Details: company -- Hindustan Copper Limited post -- GET 2008 Date -- 03.08.2008 Dept.-- Electronics?Instrumentation Aptitude -- 70 Technical-- 80 Total Time -- 2hr 30min I have listed the question I could able to remember 1. BCD equivalent of 43 2. value of K for stability of a system from a given equation 3. transformer connection for darlington connection 4. damping of balastic galvanometer 5. advantage of chart-pen recorder over CRo 6. CRO - how to change bandwidth 7. questions on CRO construction 8. reverse saturation current of si diode 9. advantage of wire wound resistance over carbon resistance 10. core material for a small coil 11. max fanout-- TTL/ECL/CMOS/MOS 12. component of resistance of monolithic IC 13. functions of capacitors in multivibrators 14. to change a sawtooth signal into a square wave we use-- schmit trigger/ schottkey diode/ zener diode 15. relation b/w á & â in transistor ckt 16. function of SiO2 layer in fabrication 17. 3 questions on ODD MAN OUT

2 Answers   HCL, L&T,

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how to change 4 wire rtd transmitter into a 3 wire rtd transmitter? as our transmitter is working for 4 wire rtd, what should do for working on 3 wire rtd transmitter

1 Answers   HHJ,

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why are use only 4 to 20ma. signal.

9 Answers   Otsuka,

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Is there devices to convert mechanical energy/rotational energy into electrical energy.......? PLease suggest me....

6 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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in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

0 Answers  

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Why we. Don't measure current in parallel? Why we measure current in series and why we measure voltage in parallel only?

2 Answers   Almeer Technical Services,

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