Please refer at the following links for download for FlashRunner2.0 step files.
Description Link
FlashRunner2.0 8 Channels Download 8 Channels Step file
FlashRunner2.0 16 Channels Download 16 Channels Stepfile
FlashRunner2.0 Multiplexer Download Multiplexer Step file
FlashRunner2.0 Relay Barrier Download Relay Barrier Step file