Why DP level transmitter preferred for closed vessels and Radar level transmitter for open tanks??

2 Answers  

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which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

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Hi friends, from Aug 4th onwards iam getting spikes for analog inputs in our DCS for a period of 800ms. I throughly checked every thing, finally i found that the DI, DO's from MCC panels shields are terminated in the Signal Earth where Analog Input signals shields are terminated. Is there any problem with this type of termination?. i checked the induction voltage from MCC and getting around 25VAC, please suggest me in this concern. Our plant is 8months old only. DCS is Siemens Make Simatic PCS7, and the transmitters are Yokogawa make.

1 Answers  

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what is type of protocol used in instrument field to marshalling cabinet cabel. what is the differenance between bus cabel and instrument cabel?

1 Answers   Samsung,

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What is full form of hart communicator?

2 Answers   KOC, UPL,

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what is the difference between RTU & MTU in SCADA system?

4 Answers   Bosch,

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A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

0 Answers  

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when the force applied on load cell the ohms will be varriying .and how its convert ohms to mv generate and have any formulae?

1 Answers   UETCL Uganda Electricity Transmission Company Limited,

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I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?

5 Answers  

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if field commnictor 475 does not communicate with transmitter what will you do ?

4 Answers   Samsung,

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in i/o panel for digital ouput(do) how much power(in volts) we must give?

2 Answers  

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what are turbo generators?

1 Answers  

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