It is possible to split a variable using other variables.
You can split over discrete or numerical variables.
Hover over the "Split the variable" icon:

Click on "Split the variable" and choose your variable:

In the case of a discrete variable, you can choose to automatically display a color for each condition:

Or you can manually select the conditions by choosing the display color:

Click on "Apply" and you get a split graph:
For numerical variables, select a range of values:

/!\ It's not possible to split on more than 2 ranges. For exemple it's not possible to do this :

But you can create a CATEGORY calculated variable :
- Consigne Vitesse Locale machine 6 < 400 : "A"
- Consigne Vitesse Locale machine 6 [400 ; 600] : "B"
- Consigne Vitesse Locale machine 6 >600 : "C"
and split on it.