Answer / satish awate

PLC is programmable logic control in this field instrument are connected to input or output of PLC input & output. And PLC are connected to DCS system or SCADA or HMI by a RS232 or RS434 communication cable.

Answer / rajendra singh

first of all I want to tell you connection from field to DCS:

Example: C.V. to Tx. to controller via Ethernet cable to DCS.

Answer / nnnnnnnnnnnnnn

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I am a electronics and instrumentation fresher trying for a job in IT sector. what do need to prepare for the interview?

2 Answers  

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it is possible to check the fail safe condition in pressure transmitter. if possible how?

0 Answers  

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who discoverd ohms law?

3 Answers   HPCL,

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pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers   Bhel, NTPC, ONGC, UCE,

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What is difference between scada and virtual instrumentation?

1 Answers  

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Explain about relays.. Can we give both AC and DC to the same relay... How it is energising.. Explain its working..

7 Answers   IOCL,

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tell me the temp range of rtd?

8 Answers  

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Draw symbols of the following :

0 Answers   CCIE,

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what is isolation Transformer???...

3 Answers   Emerson,

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What is difference between magnetic flow transmitter & Electromagnetic flow transmitter?

1 Answers  

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If fire would be inside the plant which fire detector is to detected the fire.

0 Answers   KOC,

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1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC

0 Answers   IOCL, Lakshmi Machine Works,

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