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How to communicate Siemens plc with Siemens Vfd for analog operation…
Please suggest me which plc is better for this operation. And which Vfd.
A motor will be connected to a PLC and controlled by two switches. The GO switch will start the motor, and the STOP switch will stop it. If the motor is going, and the GO switch is thrown, this will also stop the motor. If the STOP switch was used to stop the motor, the GO switch must be thrown twice to start the motor. When the motor is running, a light should be turned on.
I need a answer for this PLC question.
How to save numerical input given by hmi to the plc?