good evening, im trying to build a circuit using optocoupler that will give an output of 24Vdc with 5Vdc on its input. and im going to supply it with 24Vdc. i need 24Vdc out to connect it to plc. help me please
good evening, im trying to build a circuit using optocoupler that will give an output of 24Vdc with 5Vdc on its input. and im going to supply it with 24Vdc. i need 24Vdc out to connect it to plc. help me please
It sounds to me that he just wants to drive the opto with 5v, and control 24v on the output, so it's not a boost it's just a control/level shifter with isolation.
It sounds like he wants to use an opto with a 5v input control signal, and the output will switch 24vdc that will have to supply a load current of 4 to 20ma. So he needs a circuit that can do that, which might require one transistor on the output of the opto to handle the load properly.