Can anyone give me information about the 7 segment that would work with the Siemens PLC 12/24v or can I use a lower voltage 7 segment I don’t want to blow the PLC
You can use any 7segment, only you need to put a resistor in series with each LED in 7segment. The resistor value can be calculated by the formula :
R= ( V-source-LED Voltage ) / LED-Current
On 12v I think you can use 700-ohm resistors