Mitsubishi Electric NZ2GF2B-60TCTT4 User Manual page 211

(c) When CH Auto tuning instruction (RY20 to RY23) is turned off and on during a halt
in operation, and the operating status is changed to run
After the operating status is changed to run, the simultaneous temperature rise parameter and PID constants
are changed with auto tuning.
Temperature
process value
(PV)
temperature rise AT start
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
ON
ON
ON
Maximum gradient
ON
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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