Why 24V DC always used in PLC?? - electrical interview question

Why 24VDC is widely used in PLC - Why do Plcs use 24V? - Electrical Engineering Interview Question I am Aayush Sharma Welcome to Our YouTube channel Electrical Dost. About this video- Dosto aaj es video ke andar hamne aapko PLC me hamesa DC 24 volts ka he upyog kyu kiya jata hai yeh batane ki kosish kari hai. Sath hi aapko es video mai maine electrical se judi practical working ke baare mai bhi jankari di hai. Ummed hai aapko yeh video bahut pasnd aayegi (hindi,urdu) Thank you so much. #PLC #24VDC #automation #electrical #engineer #interview Queries Solved: 1. Reasons why always 24 volts DC used in PLC? 2. Why was 24 VDC popular for industrial control panels 3. Why is 24V used in control circuits? 4. advantages of 24 volt dc supply अगर आप इलेक्ट्रिकल से जुडी पोस्ट हिन्दी में पढ़ना चाहते तो आप वेबसाइट इंजीनियरिंग दोस्त (Engineering Dost) को गूगल पर सर्च करे। .................................................................................................................. 1st Channel:-    / engineeringdost   2nd Channel:-    / electricaldost   Instagram:-   / electricaldost1   Facebook:-   / engineeringdost1   Website:- https://www.engineeringdost.com/ .................................. My gadgets for YouTube:-) Phone 1- https://amzn.to/2YXOr20 Phone 2- https://amzn.to/2ZBEkz7 Tablet- https://amzn.to/3bWBUT0 Tripod 1- https://amzn.to/3f00IIN Tripod 2- https://amzn.to/3fcf6h6 Mic - https://amzn.to/2Z42Jyp Printer- https://amzn.to/2C82rgy ---------------------- Thanks For Watching #Electricaldost