If you are looking for a cheaper way to control dot2 onPC, then I would suggest you purchase an Enttec ODE Mk2. This interface will work directly with dot2 and is under £200 (about 191.14 Euro). It is also well built and I trust it on all of my gigs. Then you can use what I use which is an APC Mini and map it via Bomes Midi Translator Pro. The APC Mini is only £70 and Bomes Midi Translator Pro is £55. This will give you 1 universe of DMX Output from dot2 onPC.
If you need help with any of this, please don't hesitate to message me.
HB Lighting Design