python - How to write an exception for the pymodbus via TCP connection protocol where it tells me that the device is not connected

Question

Hello i have a problem when i implement de exception to my connection with the device using the protocol pymodbus tcp v3.4. I need that when the device is not connected, the program shows me that the device is not connected and that it waits to be connected.

this is my code for python:

# ciclo para la conexion con la pantalla HMI
def conexion(self):
    while(True):
        try:
            clientCon= self.client.connect()
        except ConnectionException:
            print("conexion fallida")
            pass
        else:
            self.client.write_coil(address=0, value=clientCon, unit=self.UNIT)
            return clientCon

question from:https://stackoverflow.com/questions/65904865/how-to-write-an-exception-for-the-pymodbus-via-tcp-connection-protocol-where-it

Answer 1

Waitting for answers