User`s guide

Setpoint Scheduler
Setup/Edit Setpoint Schedule
Release E UMC800 Control Builder User’s Guide 173
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Table 43 Setpoint schedule segment edit parameters
Parameter Parameter Description Entry Information
General
Time Length of time for the segment
Time Units were selected in the “Setpoint Schedule
Properties” Dialog Box
Value in Minutes or
Hours, whichever has
been selected.
Recycle Seg Recycle segment – The segment number at which a
recycle will start.
Enter a value
0 to 50
Recycle Count Recycle count – This number lets the schedule
repeat (loop) a specified number of times.
Enter a value 1-999
or 0 for infinite
Events Segment events are digital switches that provide
ON/OFF output through an SPS function block in the
Control Builder.
When a segment event is turned ON, it remains on
until the end of the segment at which time it is turned
OFF unless it is configured to turn ON in the next
segment.
Select which events you
want to turn ON or OFF
at the beginning of each
segment.
Setpoints
Values Setpoint values for SP1 through SP8
Enter Setpoint Value
Ghold Type
Setpoint guarantee is provided for the master block
setpoints with a single symmetrical value for each
setpoint output. Actions for the guarantee soak may
be set on a per segment basis for OFF, high setpoint
deviation, low setpoint deviation or both high and low
setpoint deviations.
OFF
No Guaranteed Hold No Entry
Guar. Hold Hi High setpoint deviation
The schedule will hold if a PV deviates above the
Setpoint value set. on the “Setpoint Schedule
Properties” dialog box.
Select from Drop-down
menu
Guar. Hold Lo Low setpoint deviation
The schedule will hold if a PV deviates below the
Setpoint value set on the “Setpoint Schedule
Properties” dialog box.
Select from Drop-down
menu
Guar. Hold Hi/Lo High and low setpoint deviations
The schedule will hold if a PV deviates above or
below the Setpoint value set on the “Setpoint
Schedule Properties” dialog box.
Select from Drop-down
menu