Answer / rakesh p i

Plc stands for programmable logic controller. Its a solid
state device which works on boolean algebra.\
Dcs is distributed control system which consists of
associated plc's and remote i/o devices

Answer / hitesh

PLC having its own/single controller but in DCS there are
more than one controller for each section. in case one
controller fails other section will run but its not
applicable in case of PLC

suppose there is gas flow meter I want to know weather meter calibration is done at high pressure or low pressure? pls justify.

2 Answers   Siemens,

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What is the difference between ff transmitter and non ff transmitter

0 Answers   Samsung,

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What is passive connection of instrument in different types of IO module?

2 Answers  

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In s7-200 we use HMI TD-200C , what that C stands for........ plz reply

2 Answers  

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

0 Answers   Ace Info,

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IF I WANT TO BUY A THERMOCOUPLE THEN WITCH PARAMETER I LOOK

1 Answers  

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Why we use 250 ohm resistor in series with HART protocol communication?

13 Answers   Chemtrols, Instec, Sabic,

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can u guys tell me why we are using sheild in junction bos wiring ~! ?

1 Answers  

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how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

0 Answers   United Phosphorus,

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HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

0 Answers   GSM, IOCL,

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what is sequence table in DCS . make a logic in sequence table for tripping of ID fan in Boiler(in YOKOGAWA CS 3000 DCS).

1 Answers   Yokogawa,

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hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

0 Answers  

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