Output several RPMs from one DO

    I'm working on a project to output three different RPM values from a single digital output. The pneumatic grinder is connected through one digital output from the FANUC robot, and I'm a bit lost. Can someone assist me?

    Here's how I imagined it: the user inputs the RPM using an HMI that has a keypad. When a digit is entered, it selects a specific RPM. I've tried to link this with a register, but I often find myself confused. How does the TP code command the controller to achieve "10000" RPM? Is there a straightforward method to do this?

    There is no built in option for this. You will have to look at the manual for your grinder to determine what control signals are needed. Common signals may be something like "run", "forward", "reverse", and/or some sort of "speed".

    Once you know what it needs, you can write a program to properly generate those signals.

    If you can determine what signals are needed, we may be able to help you come up with a program, or at least point you in the correct direction.

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