As the Delta PLC programmers should know, in this moments every Delta PLC is able to be programmed with two software.

WPLSoft:  Simple, intuitive and fast software for simple ladder applications.
ISPSoft: Updated ladder software with subprogram organization and variable name, specifically designed to be closer to IEC61131 for complex PLC programming.

Today we will announce the release of a new version for WPLSoft v2.20.11, with a few new updates from the old version.
You could check all this updates on the following Technical Announcement

As always Delta Software is available for free and you could download it on delta web site, and on DEN ftp too.