Mits PLC's backup and versioning

[waynes]

Hey guys, As more and more PLC's are being installed and modified by more and more people, its often difficult to keep up with the latest PLC code and who modified what and why. Does anyone have any PC software that will take care of comparing a backup of a PLC to what's currently in the PLC and keep track of what was changed, and by whom?

[kaare_t]

GX Works2 has versioning, but not sure if you can see which user.... Except from that I'm not aware of any 3. party software...

[Goody]

You have to do what we all do. Always verify your version with the one in the plc before you do anything. If you alter anything always rename the program with a higher date or version number (mine usually go ie: Dispatch conveyors 3.4.12.-V1 V2 etc) If someone else has altered the program, when you upload it, GX Developer always goes to the part of the program that was last altered.

[Crossbow]

Would this perhaps be a starting point? http://www.mdtsoft.com/

[waynes]

Hi guys, Thanks for the info thus far. Currently looking into the link provided by Crossbow. I usually save the project with the name, date and a revision letter, something like CASCAM 20120617a. Any further mods for the day, major ones, I would just change the revision letter one up, let's say to b, and so forth. I have seen some systems at BMW, but they use Siemens S7. Looking for something that will help Mitsubishi out a bit.