Optocoupler Voltage Drop at Rose Hui blog

Optocoupler Voltage Drop. when no load is connected the output is fine but when connected to a load (plc input pin) the output drops to 10v. the optocoupler fails if its output ’high’ voltage drops below 2.0 v or its output ’low’ voltage rises above 0.8 v, in the presence. I need at least 3.3v to. the voltage drop across this resistor will equal the voltage of your source signal minus the 1.3 v of the led, and you can set the current equal to 40 ma. When i disconnect the sensor, the output voltage is 4.7v. in practiced r4 would be omitted and the voltage you indicate is limited only by the isolation voltage of the. you don't need an optocoupler to drive your motor. the optocoupler is supplying 1.7v to the sensor at node 1 instead of close to 5v.

Help me understanding how optocoupler works General Electronics
from forum.arduino.cc

you don't need an optocoupler to drive your motor. when no load is connected the output is fine but when connected to a load (plc input pin) the output drops to 10v. the optocoupler fails if its output ’high’ voltage drops below 2.0 v or its output ’low’ voltage rises above 0.8 v, in the presence. the voltage drop across this resistor will equal the voltage of your source signal minus the 1.3 v of the led, and you can set the current equal to 40 ma. When i disconnect the sensor, the output voltage is 4.7v. the optocoupler is supplying 1.7v to the sensor at node 1 instead of close to 5v. I need at least 3.3v to. in practiced r4 would be omitted and the voltage you indicate is limited only by the isolation voltage of the.

Help me understanding how optocoupler works General Electronics

Optocoupler Voltage Drop the optocoupler fails if its output ’high’ voltage drops below 2.0 v or its output ’low’ voltage rises above 0.8 v, in the presence. I need at least 3.3v to. the voltage drop across this resistor will equal the voltage of your source signal minus the 1.3 v of the led, and you can set the current equal to 40 ma. the optocoupler fails if its output ’high’ voltage drops below 2.0 v or its output ’low’ voltage rises above 0.8 v, in the presence. the optocoupler is supplying 1.7v to the sensor at node 1 instead of close to 5v. in practiced r4 would be omitted and the voltage you indicate is limited only by the isolation voltage of the. you don't need an optocoupler to drive your motor. When i disconnect the sensor, the output voltage is 4.7v. when no load is connected the output is fine but when connected to a load (plc input pin) the output drops to 10v.

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