Choice of processors is limited to the latest of the latest. This includes the 5570 series represent by the 1756-L7x ControlLogix processors. It also include the 5370 series of CompactLogix, Works allows us to autocorrect some of the script that we see and it suggestions different methods of addressing those issues.
Only runs in windows 7 or higher, if you have anything less you have to go to v21, there is only one licenses per user so if you plan on using this on multiple devices you have to get a different type of licenses or you will have to pay more money. Uninstalling it and reinstall on another device is a hassle too unless you have the serial number
Of all the new features in v21, this is the only one I remember. Since all the new multi-core Logix processors include an additional on-board memory chip, with v21 they also now all support saving routine comments and descriptions into the processor itself.
Here we use Logix studio 5000 a form of rockwell automation to write programs on our PLCs. We are able to connect to our allen bradley units and add functions and steps to help our process. We also can see what needs to be done in our future line of automation machines that way we can address the issues now in the desire review phase than when we actually have it on the production floor.