Live changes modifications are basically a file containing a list of commands to modify, in a certain sequence, a ladder/diagram program: these modifications are normally either embedded in the main ladder file or are transmitted from RDE3 to the linked numerical control when loading/testing the live changes themselves.
Live changes consist mainly of a header then several sections among which the main ones are:
NOTE: All numeric data stored in this file are to be considered in little indian (x86 standard) format.