PGT-08-S Sick USB Programming Tool for use with AFM60, AFS60, DFS60, VFS60. he DFS60 programmable incremental encoders can be programmed to produce any ppr from 1 to 10000. In addition , the output signals are software selectable: TTL/RS422 or HTL/Push-pull, making the DFS60 a truly universal incremental encoder. The programming tool consists of a USB lead and Windows XP/Vista/7 compatible software, designed for ease of use, enabling on site programming in seconds.