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(7) Operation when the simultaneous temperature rise parameter is calculated
with self-tuning and auto tuning
(a) When the simultaneous temperature rise AT is started before the simultaneous
temperature rise parameter is calculated with self-tuning
The simultaneous temperature rise parameter is not calculated neither with self-tuning nor auto tuning. PID
constants are changed.
Temperature
process value
(PV)
CH□ Operation monitor
(RX11 to RX14)
OFF
CH□ Auto tuning status
(RX20 to RX23)
OFF
CH□ Auto tuning instruction
(RY20 to RY23)
OFF
CH□ PID auto-correction status
(b0 of RWr14 to RWr17)
OFF
CH□ Simultaneous temperature rise
parameter correction status
(b1 of RWr14 to RWr17)
OFF
CH□ Simultaneous temperature rise
parameter error status
(b9 of RWr14 to RWr17)
OFF
CH□ Self-tuning error
(b10 of RWr14 to RWr17)
OFF
CH□ AT simultaneous temperature rise
parameter calculation completion
(b0, b4, b8, b12 of RWr3)
OFF
CH□ AT simultaneous temperature rise
parameter calculation error status
(b1, b5, b9, b13 of RWr3)
OFF
Dead time
Simultaneous
temperature rise AT start
Self-tuning start
ON
ON
ON
ON
Maximum gradient
Simultaneous temperature rise
parameter calculation timing
by self-tuning
CHAPTER 8 FUNCTIONS
Auto tuning waveform
Time
CH□ Self-tuning flag
(RWr14 to RWr17)
CH1 to CH4 AT
simultaneous
temperature rise
parameter calculation
flag (RWr3)
8
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