Beckhoff KS2000 3.2.0.14 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the program users are 4.3 and 3.2.
This free program is an intellectual property of BECKHOFF. Commonly, this program's installer has the following filename: KS2000.exe. The program lies within Internet & Network Tools, more precisely Network Tools. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
The KS2000 configuration software permits project design, commissioning and parameterisation of the Beckhoff Fieldbus Box modules and of the Beckhoff Bus Terminals.
The connection between the fieldbus components and the PC is established via the serial or USB connection cable provided, or via the network and TCP/IP.
You may want to check out more software, such as TwinCAT Scope2, TwinCAT ADS Communication Library or TcBootP Server, which might be similar to Beckhoff KS2000.