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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What is the different between ESD & PLC.

1 Answers  

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List three types Level Transmitters with their working principles

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what are the values of fuel flow rate in various places in boiler.

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Why Flow measure in Square-root?

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what is difference between Floating D.C.Voltage and Fixed D.C.Voltage?

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How can test or measure the probe and extension cable to identify if the problem at the probe or cable or at the driver it self? (pleast notify the measuring method)

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why 8bit microprocessor referred as 2^16?

2 Answers  

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