Backup Tool for Keyence PLC (ver.1.2) is a really great software tool for Keyence PLC. It can do: * easy backup/restore the PLC firmware without the Ladder Builder. * put any .cod files into the Keyence PLC * PLC to PLC raw copying: copy PLC firmware from one Keyence PLC to another without any troubles If you have a good working PLC it can be clever to make backup of firmware prior installing updates patches or other modificatios. Additionaly you don't need to teach your production personnel how to use the Ladder Builder. They will not mixed up all the PLC program source code. Software runs on any Windows and comatible with KV and visual KV Keyence PLCs. Read more about Backup Tool at http://plcutils.com