mahmoud zaki


{ City } cairo
< Country > egypt
* Profession * sgge
User No # 103502
Total Questions Posted # 1
Total Answers Posted # 2

Total Answers Posted for My Questions # 1
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Questions / { mahmoud zaki }
Questions Answers Category Views Company eMail

How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?

Petrofac,

1 Instrumentation 2765



Answers / { mahmoud zaki }

Question { Torrent Pharma, 33440 }

What is an analog input - output , digital input - output .
Any example ???? How they r known its ai-ao or di - do


Answer

EX. DI like sensor.limit switch and bush bottom
DO like to run for example motor
for contactor or relay or solnid valve

AI like level transmitter or pressuer transmitter TC
AO like control valve

Is This Answer Correct ?    22 Yes 0 No

Question { 30174 }

what is difference between DO and DI


Answer

DO this is digital Output signal it is be Come from PLC or
DCS to machine Or motor for ex ; DI this is Digital Input
signal it is come from switchs(limit switch - proximity
Switch ) To System (PLC or DCS)

Is This Answer Correct ?    27 Yes 4 No