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haridass
{ City } chennai
< Country > india
* Profession * lead instrument technician
User No # 39296
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Total Answers Posted # 16
Total Answers Posted for My Questions # 0
Total Views for My Questions # 0
Users Marked my Answers as Correct # 156
Users Marked my Answers as Wrong # 43
Answers / { haridass }
Question { 19009 }
What is difference between Isolator and Barrier ?
Answer
Safe instruments. The barrier will reduce the available
loop current to a level that cannot produce a spark.
An Isolator is used to connect signals of different common
mode voltage for example a transmitter signal may be
referenced to +24 whereas the DCS may be referenced to
ground.
You can also have an isolator that is designed for use in
Intrinsic Safe circuit.
Regards
Roy (http://www.control.com/thread/1230701520)
| Is This Answer Correct ? | 28 Yes | 2 No |
