4-20 mA Current Loop - History, Why, Advantages, Disadvantages

Learn about the 4-20 mA Loop Current basics, fundamentals, history, advantages, and disadvantages.
4-20 mA Transmitter Principle:
instrumentationtools.com/4-20...
PLC courses:
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

[@InstrumentationTools]

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[@avidLii]

Very articulate , easily understandable clear, in-depth explanations. Thank you for sharing this invaluable basic useful information/knowledge

[@diyaaprince2094]

It's so useful, thanks a lot for all these explanations.

[@zakariiarif8541]

Beautifully explained. Thank you

[@tariqfb8597]

Very good information, most of the instrumentation engineer don't know this basics. Thanks alot

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[@6491fcruz]

Thanks. This was helpful and concise.

[@ParavaKerala]

Amazing Explanation. Thank you

[@sadmankhan3861]

It's really very easy to understand and very helpful good explanation. Thanks

[@florincheche163]

very well explained, it is understood by all 👍

[@michaelsabatiii6052]

outstanding job explaining, thank u

[@safahaidar9059]

very clear and easy explanation thank you

[@sateeshprathapani]

crystal clear.. thank you!

[@sonasidh9459]

Really good information, thank you so much

[@waleedalmhram4198]

Amazing Explanation & Clarification.....Thanks, Alot

[@HomeMadeBoards]

Great video, good format.

[@mareysaad6597]

Definitely professional video

[@adarisivasankargandhi5429]

Clear explanation Sir

[@virtualtreadmillwalknature1488]

Thanks for sharing !

[@LalanKumar-fz3oo]

very useful, thanks

[@chiomaezeonye3538]

Very useful. I wish you could discuss more on what you mean that each pair of wire carries a single signal.

[@Enigma758]

13:52 In the twisted pair diagram, I think the blue arrows should alternately point up and down to indicate cancellation.

[@hakarengineer8321]

Excellent,thanks

[@rahmadaniki774]

thank you very much. many information I can get from this video. by the way. what is the meaning of bias? please explain me. thanks in advance

[@krishnarao9584]

Excellent

[@mohammedAmady]

easy explanations Thanks

[@nickprabath5876]

very good work

[@sudhammikalaksiri1479]

This is a very usefull lession . Thank you....very much

[@electricalelectronics682]

Thanks for your wonderful teachings, please teach how to use DWIN screen for PLC

[@mtokkan]

One of the best I have ever seen. Great explanations.

[@saurabhdas3226]

Awesome explanation sir

[@chinthasudheer7774]

Excellent explanation

[@maricristorres8448]

very informative

[@manojkumar4527]

Thanks for sharing

[@mufti1312]

Nice Contents Sir.

[@adarisivasankargandhi5429]

Thank you so much

[@ashokjain1391]

Very informative

[@mohammadkhodadadi8948]

Great Your voice is clear❤️

[@vikaspatel4782]

Very interesting

[@Yc0078]

Best explanation

[@robcullen9984]

Awesome thankyou

[@AmjadKhagga]

Wonderful

[@usoroekwereessiet4397]

Nice presentation

[@elhamaboohamzeh7365]

excellent

[@umargul5644]

Great 👍

[@africantales124]

Nice one

[@vinayakjoshivp]

excellent explanation of each terms..........Do you have basic information of physical layer of HART signals

[@sulaimanyusuf7199]

Your teaching very good

[@raguraman1238]

Thank u...

[@benjaminvenancio6158]

❤ very interesting

[@vamshiallam9343]

Very good explanation...🫶

[@nikhilmane6930]

Good video

[@ankushladani496]

Thank you sir

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TQ very much

[@Imthesaviour]

Thanks

[@user-od5si2lc6k]

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[@AMNAudioChannel]

Nice

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❤goat

[@amranhossain8514]

ধন্যবাদ / thanks

[@tamilchelvanramasamy8733]

An awfully great exercise to impart understanding on current loop with lucid illustrations.

[@himanshulohani3106]

We use idustrial pressure transducer which is 3 wire please explain to me how I use this transducer in nitrogen purging process

[@InstrumentationTools]

Check this article, may helpful. instrumentationtools.com/4-20-ma-transmitter-wiring/

[@davidcooper4385]

XLNT VIDEO

[@AS-by6cp]

I have a question. If I had a 4-20mA signal terminating on an input with a 12 bit resolution, how many different measurements can I have within the 4/20mA range? Someone please let me know. Thanks

[@InstrumentationTools]

Check these related articles instrumentationtools.com/analog-input-card-resolution-effects-on-accuracy/ instrumentationtools.com/plc-analog-input-conversion-formula/

[@clarkyvessantolorin7587]

It's ok to take Ang reading a milliamps whale the machine is running or work .. tnx ❤️

[@mdnezamuddin6219]

Have any pdf of pLC

[@artantani7948]

What happened if we bypass an analog sensor by jumping out

[@VaishnavVenugopal]

💫420 everyday 💫

[@eslamelnbasy8226]

Excuse me ,i nees information about 4;20ma sinal spilleter Disadvantage

[@barenstarkschaffer383]

Hello, i have a question. If we want to regulate the temperature inside a tank where the LRV is 40°C and URV is 140°C. Knowing that the output signal 4-20mA is, what will happen if the temperature drops below 40°C or rises above 140°C? Will the transmitter send a signal or not? If yes his is this signal calculated? Thanks

[@mska2095]

a) The "out of range" indication will be shown on faceplate of the tag. b) Transmitter will be unable to send "out of range" signals. In case of thermocouple, signal will be received anyway. c) Either recalibration of the transmitter will be required or increasing the span of the range will be required to accurately show the signal on the monitoring device.

[@AliRaza7]

you should better explain about Hart protocol, how it works

[@user-vz5sn9st7m]

if I short the two wire, what will happen the loop?

[@InstrumentationTools]

Follow this link: engineerscommunity.com/t/if-i-short-the-two-wire-what-will-happen-the-loop/37125

[@random-kc8gx]

How many volts is the signal

[@InstrumentationTools]

Standard 24 volts DC. This voltage may be reduces when used for long distances.

[@realomer]

So where's the loop?

[@frikkied2638]

Have to say this helped me zero % with how to actually wire up and use a 4-20mA sensor.

[@keyvanpebdani7125]

How PSI or bar converted to mA??

[@adeelyousuf8373]

I'm the master. Wanna learn with me. 14 years of beautiful experience in industry

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Yes

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[@youtuuba]

Good content, although sometimes too stilted. And the robo/AI voice, with its one inflection curve for every sentence, regardless of context, grows quickly tiresome (and some mispronunciations such as "live" being said as if it were 'live another day'.

[@gemihouston]

Wordy af

[@user-tb3ms4jg9p]

as a certified doomer i should quit this video since a boomer is just teaching this

[@mfx1]

Robotic voice made it unwatchable for me, shame.