The SDK may only be used in conjuction with KNX Interface Devices from Weinzierl Engineering.
Please respect the license and use this only with Weinzierl products.
Open sudo nano /boot/cmdline.txt and remove console=serial0,115200.
On PI3: There is now a device tree file called pi3-miniuart-bt which makes the Raspberry Pi 3 disable the Bluetooth and map pl011 UART on pins 14 and 15 as before.
sudo sh -c "echo dtoverlay=pi3-miniuart-bt >>/boot/config.txt"