So I'm a first year apprentice and I'm having a tough time with knowing the difference between AI, AO, DI, DO. I'm having a hard time understanding what devices are which and why. Can someone explain this to me?
No Answer is Posted For this Question
Be the First to Post Answer
What is difference between Ionization heat and bimetallic heat
What do you do as a Engineering person EPC for Sizing&Selecting Control Valve?
What is the difference between DCS and SCADA?
what is PID n give me brief info. about P&I&D.
Define all the process Variable and state their unit of measurement. ?
Can a pneumatic control valve work without positioner?
differentiate different units of pressure like US & UK standards
where cn i find the previous years question paper for psu exam???????//
what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
why do we use 4-20mA as o/p and why don't use 0-20mA or 5- 21mA?
i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....
What is Cryogenic?