Example: dST for hysteresis function
Condition
1 Volumetric flow quantity Q reaches LFC dST starts, output becomes active
2 dST elapsed, Q reached SP
3 Q below SP but above rP
4 Q below rP
5 Q reaches again LFC
6 dST elapsed, Q has not reached SP
7 Q reaches SP
14
Reaction
Output remains active
Output remains active
Output is reset
dST starts, output becomes active
Output is reset
Output becomes active