Answer / rasu3045

Ladder logic diagram
Statement list
functional block diagram

Answer / s vedpathak

Agree to Mr Rasu. Statement list (STL)is also called as
Instruction List(IL).But STL,LAD & FBD are 3 programming
languages

Answer / shiva

There are 3 main PLC languages,
1) Ladder Logic Diagram (LLD)
2) Sequential Function chart (SFC)
3) Functinal Block Diagram (FBD)

Answer / mohamed rafik

PLC BASIC LANGUAGES

*LADDER LOGIC DIAGRAM
*FUNCTIONAL BLOCK DIAGRAM
*STATEMENT LIST

Answer / faiyaz ahmad

Ladder Logic
Function block diagram
Instruction list
sequential flow chart

Calibration procedure for water rotameters

0 Answers   HPCL,

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we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

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how to work gas chromatography explain principle ?

2 Answers  

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what are the steps to commissioning a DCS system?

2 Answers   BGR Energy,

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What is the use of +/- 20ma in analog measurement,and which instrument gives +/-20ma output

1 Answers  

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what is the working principle of hydra step(electronic level indicator)?

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what is principal of pressure transmitter?

5 Answers   Hindalco, SPB,

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Turbidity analyzer working principle ?

0 Answers   Tata Steel Limited,

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what is dry leg and wet leg in transmeter calibration?

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how to solve temperature error in compressor?

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in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,

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T.x range -0.1 to 0.2 milibar,so how much mili ampear at 0.1 milibar?

7 Answers   Sugar Factory,

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