BlockDiff; PLC Block Compare

The BlockDiff option is a powerful tool that is easy to use when comparing PLC programs or Blocks.
You can compare two (2) PLC programs in the S5 for Windows® file format or, two (2) PLC programs in the S7 for Windows® file format or, two (2) PLC programs in the Siemens S5 PLC Programming Unit (PU) file format (*.S5D) or, two PLC programs, one in the Siemens file format and one in the S5 for Windows® format. These files may located on a PC as well as a PLC.
This tool will create a list of the existing blocks and will indicate the difference and then a detailed window can be opened to review the differences in STL listing. You can set a variety of filters to customize the compare routines. For instance comments can be included in the compare function or you can leave the comments out, its your choice.

BlockDiff is an optional, integrated, 32 bit application of S5 / S7 for Windows® that provides detailed information about the differences between two PLC programs. The standard tool, incorporated in the S5 / S7 for Windows® programming package, compares Blocks from the PLC with the corresponding Blocks in the PC, and indicates where the differences begin in a block (segment number).