Answer / abdul rehman

ILD stands for Instrument Loop Diagram. It shows connection
from field instrument(s) to Junction Box then Marshalling
Cabinet and finally system cabinet (control system like
DCS / PLC etc)and its workstation graphic address.

Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

0 Answers   Sail,

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Flame scanner

1 Answers  

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7. What are tri-state devices and why they are essential in a bus oriented system

1 Answers  

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How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

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EXPLAIN NETWORK COMMUNICATION ON DCS?

0 Answers  

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We Have Two Field bus Pressure Transmitters of Different Sensor Range (I.E One is of Lower range and Another is of Higher Range).Is same Process Line. My Question is Can i provide Saturation Limit to my field Bus Transmitter as We can provide Saturation current limit to HART Instruments. As During Low Pressure Both Working OK ,But During High Pressure, transmitter with Lower sensor range Goes to Fault mode as Beyond its Sensor Limit it can Measure, So may I provide Saturation point Some where to Suppress This Fault during High Pressure.

0 Answers   OPaL,

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what is piezo electric transducer?its principle?

2 Answers  

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anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

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what is transducer?

13 Answers   Sofcon,

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I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

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Why some transmitter shows flow in MMWC and some in TPH?

2 Answers  

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What is fault tolerent system

2 Answers   GNFC,

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