Siemens S7-1200 System Manual page 496

Technology instructions
9.3 Motion control
The figure above shows the Motion parameter screen with compare icons showing which
values are different between online and offline projects. A green icon indicates that the
values are the same; a blue/orange icon indicates that the values are different.
Additionally, click the parameter button with the downward arrow to open a small window
that shows the project (offline) start value and the PLC (online) start value of each
parameter.
496
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG