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how do i download the ladder and the setup file to put it here .
i need to add some extra inputs and out puts to the control

Hello.
I have a mill spindle with 2 gear positions(slow-fast) that can change by activating solenoid hydraulic valve also has 2 inductive sensors to verify which gear is engaged.
The motor rpm controlled by drive with analog -10V +10V from mesa 7i33.
I will use also an encoder for rigid tapping.. how many lines per rev is good ? index pulse needed ?

How can change gears automatically only with m3-m4 command
(<250rpm gear1 | >250rpm gear2 )?
For example if i give m3 s200 change to gear1 and run spindle
if i give m3 s1000 change to gear 2 and run spindle.

There's nothing new. I'm working on the lathe from the other topic.