Cura can be used instead of Simplify3D for 3D printing but will not currently work with the Diabase Wizard. In order to get Cura to work with the H-Series Machine go to File -> Printer -> Add Printer.
Select the Custom option and Custom FFF printer from the list of available options.
Fill out the settings for the machine so that it matches the following figure. Note that it is important to choose 6 extruders because the first extruder will be assigned to T0 which is not defined on the H-series machine. So Extruder 2 will correspond to Tool 1 or T1.
Next, go through each of the extruder tabs and make sure they match the following image:
Make sure that the P"tprime#" is the current extruder plus 1. So for extruder 4 should be calling for M98 P"tprime3.g".