SHIV121 Posted June 14, 2016 Report Posted June 14, 2016 Hello guys,,, Im in trouble with basics....actually i want to generate 4-20ma from potentiometer. I given the 24vdc supply to potentiometer. I have to give varying potentiometers 4-20ma output to the plcs analog input. Please tell me what is the circuit for making this using potentiometer. Quote
Bryll Posted June 14, 2016 Report Posted June 14, 2016 A picture say more than a thousand words Quote
SHIV121 Posted June 14, 2016 Author Report Posted June 14, 2016 Thank you for reply..... please tell me how much the resistor of that potentiometer and series resistor ???? Quote
Bryll Posted June 14, 2016 Report Posted June 14, 2016 It's stated in the picture. 62,5 ohm for the resistor and 250 ohm for the potentiometer Quote
SHIV121 Posted June 14, 2016 Author Report Posted June 14, 2016 ohhh great....just i have to buy LM317 IC now Quote
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