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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how i can copy paste the program of smart transmitter to another smart one with hart communicator?

2 Answers   KOC,

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Explain the functions of the CPU of a PLC.

1 Answers  

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How to calculate mmwc values into tonnes?

0 Answers  

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How is work 5/2 sov?

0 Answers  

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how to convert transmitter milliamps output to like temp,pressure etc.....

5 Answers  

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If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

0 Answers  

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HOW MANY METHODS OF TEMPERATURE MEASUREMENT ? HOW MANY MEASURING DEVICES / TRANSDUCERS ?

6 Answers   Aramco, IOCL, JP Group, NFCL,

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What is surge in compressors? How to detect and control it?

1 Answers   DEWA,

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i want all model questions paper for robert bosch

1 Answers   Bosch, Patni,

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what is dry leg and wet leg in transmeter calibration?

3 Answers  

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why we are using -24 vdc in plc?

1 Answers   CGL,

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In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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