9-15
IM 05P02D41-01EN
Program Pattern Functions
9
9.4
SettingtheWaitFunctions
9.4.1 ProgramWaitatSegmentEnd
Description
Program wait at segment end makes the program wait at segment end if PV has not
attained the target setpoint.
The program will advance to the next segment the moment that the measured input
attainsthewaitzone.
Ifthemeasuredinputdoesnotattainthewaitzonewithinthewaittime,theprogramwill
advance to the next segment the moment the wait time elapses.
• Operationwhenthemeasuredinputattainsthewaitzonebeforethewaittime
elapses
Fromwhenthewaitoperationstarts,ifthemeasuredinputattainsthewaitzone,thewait
state is changed to the operating state and the program advances to the next segment.
During the wait state, the program timer is stopped, therefore the time event value is
held.
Time
Wait time
Upper-side wait zone
Lower-side wait zone
Wait operation
PV
TSP
Seg.1 Seg.2
Seg.: Segment
TSP: Final target setpoint
The moment that the PV attains the wait zone,
the program advances to the next segment.
Time event
On
Off
Timer stops
Time delayed by timer stops
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