| InitStep | Initial step, activate at startup | |
| Order | Grafcet order | |
| OrderAct | Fetch order activity from a order subwindow | |
| Reset_SO | Reset a stored order | |
| SetCond | Set the transition condition from a transition subwindow | |
| SsBegin | Substep begin, first step in a substep window | |
| SsEnd | Substep end, last step in a substep window | |
| Step | Grafcet step | |
| SubStep | Grafcet expansion in subwindow | |
| Trans | Grafcet transition |