Answer Posted / prashant

in three wire rtd, wire(lead) resistance is compasateed
automatically as per signal cable which is shorted in rtd
probe/sensor.
in two wire rtd we require room temp. compasation. but it
is depend on signal cable length resistance, so we reqire
fix length of signal cable which is lead resistance must
be clculated with room temp. compasation.

please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

2317

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Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....

2134

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what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

2231

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1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

2731

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What is solenoid valve? Where it is used?

1155

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How many interlocks at turbine? Plz explain briefly

2001

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Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

1983

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how radio frequency level probes works with its controller ? what is its principle ? pls give me brief explanation?

1926

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Calibration procedure for electro magnetic flow meter

2035

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Definition of reverse and acting controllers:

2371

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dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

1946

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what is effect of specific gravity in differential level transmitter , explain formula related with this .

1689

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What do you know about gail?

2515

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Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75 The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is: WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. STN0149 ---- ERROR = 2 WARNING = 1 ---- Background: >Updated the ExaOPC software on the STN from 3.60 to 3.75 >STN operating system is Windows Server 2008 R2 >HIS operating system is Windows Server 2016 Stanard Solutions attempted include: >Ensuring all IP addresses are correct and all networked devices can be pinged. >The ability to ping a device using its host name from another device ( from HIS) >Ensure both devices firewalls are disabled. >The antivirus installed on the STN is disabled. >Ensuring both devices are within the same workgroup. >Added both devices to each other's Host and LMHost files. >Running IT Security tool after changing any administrative settings.

2251

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i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

2372

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