A trial version of TwinCAT, the open PC software system for PLC and NC Motion Control functions (Version 2.11 and Version 2.10 under Windows 2000/XP/Vista/7, Version 2.9 under Windows NT/2000/XP), can be downloaded for free. The "TwinCAT Download Package" contains the full function and is usable for 30 days. For a further use, a registration is necessary. With this registration a license for the use of the software is acquired.
The TwinCAT CD can be ordered at your local Beckhoff partner.