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4-20 mA Current Loop - History, Why, Advantages, Disadvantages
7K views · Aug 31, 2022
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Learn about the 4-20 mA Loop Current basics, fundamentals, history, advantages, and disadvantages.

4-20 mA Transmitter Principle:
https://instrumentationtools.com/4-20ma-transmitter-works/

PLC courses: 
https://automationcommunity.com/

### Video Topics ###

0:00 - Basics of 4 to 20 mA
0:38 - History of 4-20 mA Signals
1:57 - PLC Basics with 4 to 20 mA Transmitter
4:13 - Why do we use 4 to 20 mA Loop Current?
6:12 - Live Zero Advantage of 4-20 mA
7:47 - Why 4 mA?
9:10 - Why 20 mA?
9:36 - Linearity and 1:5 ratio
11:22 - Easy conversion from 4-20 mA to 1-5 volts
12:54 - Advantages of Current Signals
13:20 - Advantages of 4 to 20 mA Signals
13:50 - Disadvantages of 4-20 mA Signals


#4to20ma #Currentloop #4-20mA #instrumentation #instrumentationtools #automation #engineering #electricalengineering #industrialautomation #processcontrol #electrical
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