What is DI,DO,AI,AO signal in PLC or DCS

[@romanofficialgaming1309]

Bahut hi best video hai sir

[@Rx_Avengers]

best handwriting❤

[@VIKASHKUMAR-qn6op]

Fully supported video sir very important

[@kamdevverma9003]

Very nice sir

[@smtariq786]

Excellent..

[@rafiqkhan-jw5gi]

❤❤

[@PranavEngg]

Please make a details video on ALI controller how to calibrate EIP ALI controller & how to identify ALI cards problem.

[@Most_useful_information]

👍👍👍👍👍

[@PranavEngg]

Very nice sir

[@reshmisivagayathri3472]

Very good sir