Igure 4.5 Recovery From Pv At Dwell Segment - Brainchild P41 User Manual

If is selected, then when power is restored the set point starts at
the current process value, and then runs to the target set point of the
active segment. This choice provides a smoother recovery. The two
diagrams below illustrate the respective responses, Fig. 4.5 if power
fails during a dwell segment and Fig. 4.6 if it fails during a ramp segment.
Set point Set point
Ramp
Segment
Figure 4.5 Recovery from PV at dwell segment Figure 4.5 Recovery from PV at dwell segment
Set point Set point
power off power off
Figure 4.6 Recovery from PV at ramp segment Figure 4.6 Recovery from PV at ramp segment
If is selected, then when power is restored the profiler is disabled
and it enters static mode, and SP1 is selected for control set point.
If is selected, then when power is restored the profiler is disabled
and it enters OFF mode, all the control outputs as well as alarms and
events are off.
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Segment dwell Segment dwell
time = t1+t2 time = t1+t2
t1
power off power off
Dwell Segment
Target Set point Target Set point
power on power on
Ramp Segment
t2
power on power on
Time
Dwell Segment
UM0P411A
Time