Pin out of CTRL connector on MK3 and truth tables

[takeda]

Hello,

I have tried to connect some pendant I have on the CTRL connector of a recently purchased MK3.

I found out that the pins MD1 and MD2 , and also the AX1 and AX2 are not standard in terms of configured logic.

Please see the table attached.



Could you please provide the logic tables I should follow to wire my MPG correctly?

Should I use also the [EN3A/MD3, EN3B/AX3] for the 4th axis and additional modes?

I ask this because the configuration (MD1, MD2) = (HIGH, HIGH) and (AX1, AX2) = (HIGH, HIGH) do not configure any axis or mode! (or maybe I am wrong).

But a truth table that MK3 understand would realy help.







Apart from that, does anybody know if I should use all four pins (A, B, /A, /B) of my rotary encoder or only the first two?
Using only the first to (A, B) and leaving unconnected the long drive outputs (/A, /B) seems to work fine.








- Petros

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[Teketeke]

I hope the following links will help you.

https://planet-cnc.com/how-to-connec...p-mpg-pendant/

[PlanetCNC]

You should also use MD3 and AX3 pins for more modes/axes.
Mode (HIGH, HIGH) is "mode zero".
Axis (HIGH, HIGH) is "disable"

[takeda]

Thanks for the replies.

The exact configuration as I probe it is



Where 0 is GND and 1 is 5V from some pin on MK3.

[PlanetCNC]

Pins are pulled-up. There is no need for 5V. If you left pin unconnected then this is 1,