in DCS or PLC we can not put all ai or di,there is calculation through which w

in DCS or PLC we can not put all ai or di,there is
calculation through which we can accomodate certain no of
digital and analog signal.I need to know that calculation

Question Posted / mad

1 Answers
4511 Views
I also Faced
E-Mail Answers

in DCS or PLC we can not put all ai or di,there is calculation through which we can accomodate cer..

Answer / mithilesh kumar

Hi friend,
No any caculation for total ai,ao,do,do
Which is present in dcs,plc.
It's depends upon how much I/o's require
For this project.
You can calculate no of I/Os with help of
Present module/card.
Any other answer you most welcome.

Is This Answer Correct ?

6 Yes

1 No

Post New Answer

More Instrumentation Interview Questions

EXPLAIN NETWORK COMMUNICATION ON DCS?

0 Answers

how u measure dp in dp tx? how u calibrate a dp tx?

3 Answers Invensys,

can you suggest good traning institute in instrumentation ? (in automation, or designing)

5 Answers

where Pirani gauges are uesd in case of pressure measurement?

3 Answers

what happen if i install my pressure transmitter below the elevation of pipe in natural gas service. Also support your answer

3 Answers C2C,

my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

0 Answers

How to Calibrate Vibration Probe (Axial, Redial) in field

0 Answers

units of pressure,flow, level,temperature? principle of pressure gauge? calibration of pressure tx., level tx., temperature tx.flow tx.? description of two wire ,three wire and four wire R.T.D.? WHAT IS INPUT AND OUTPUT OF TX.? WHAT IS INPUT AND OUTPUT OF R.T.D. AND THERMOCOUPLE? WHAT IS HOT LOOP AND COLD LOOP? WHAT IS INPUT AND OUT PUT AND OUTPUT OF D.C.S. AND P.L.C.? PRINCIPLE AND WORKING OF HART? WHAT IS PNP AND NPN PROXY? CALIBRATION OF PRESSURE ,LEVEL ,FLOW SWITCH? DESCRIPTION OF FIELDBUS FOUNDATION? WORKING OF SOV.?

2 Answers

Name and describe at least 4 status indicators, typically found on a PLC

2 Answers

Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72

0 Answers

defination of plc

14 Answers ABC, Sofcon,

why we require Differential pressure?Why we use Orifice Plate?

3 Answers

For more Instrumentation Interview Questions Click Here