Ahmad Altonji

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  1. welcome everybody I have a question about how to control the engine speed through PLC By sending the frequency from the memory number (for example: VD100 = 50 , 60 , 70 or 100) on the HMI display connected to the PLC and then to the frequency inverter Responsible for determining engine speed using (RS485 or RS 232) Recommended : RS 232   My tools:   1- Plc ( CPU 226 - 6ES7216-2AD23-0XB0 ) https://www.altonji.net/up/do.php?img=1530 -------------------------------- 2- HMI -------------------------------- 3- frequency inverter ( Lenze 8200 vector ) https://www.altonji.net/up/do.php?img=1529 https://www.altonji.net/up/do.php?img=1531 -------------------------------   Please help by sending an example of my request