Motion State Machine
The Motion State Machine is driven by the IEC "International Electrotechnical Commission" IEC is a not-for-profit, non-governmental international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies 61131-3 application with the help of dedicated function blocks.
See Motion / Common - Motion for more information about the functions that prepare the physical motion part.
Figure 9-11: Motion State Machine
Each arrow represents a transition from one state to another.