YOKOGAWA UP150 - Ascending Gradient (Ramp) Program Start

IM 5E1E70-01E
25
(2) If segment 3 is a soak-interval segment:
The starting point of program-driven operation is any of points A (SSP) to E.
PV
1
2
3
4
5
C
D
E
B
A(SSP)
Seg.1 Seg.2 Seg.4Seg.3
Time
Example Where Segment 3 is a Soak-Interval Segment
PV
1
2
3
4
5
C
D
E
B
A(SSP)
Seg.1 Seg.2 Seg.4Seg.3
Time
Example With No Soak-Interval Segment
The starting point of program-driven operation is determined by a where the measured input value (PV) is
located at the time the operation starts.
Starting point of program-
driven operation
Measured input value (PV) at startup of
program-driven operation
E
D
C
B
A (SSP)
1
2
3
4
5