what is the difference between RS 232,RS 485,RS 422, how
they different from each other




Answer Posted / gyani

mr.binu
if answer is so,why we need a protocal changer from RS232 to
RS 485? ethernet is used for 100 mtr.to 1 km.for more than
one km we use optical fibre cable,in this case also we need
protocall changer to convert the signal.please clear it.

Is This Answer Correct ?    14 Yes 11 No






Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How d.p. Transmitter can be applied to open tank?

7


what is function of switch, and how is it work, explain with difination

986


what is function of sensor, and how is it work , explain with difination

1241


what is the difference between profibus and controlnet networking.

1884


Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

9328






you are on site,the plant trips,you are approached by operations,what do you do?

1106


i am having information technology branh ....... can i prepare for psu exam

1094


what is diffrance between FF & SMART, explain with difination

2113


Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?

5


i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....

885


what is metal of piston ring

885


Introduce yourself which is not present in your biodata?

1309


How to change dcs card in online. (Dsc is maxdna)

1452


what is the procedure of belt scale calibration?

1303


i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

963