5. OPERATION
IMR02L04-E3
5-26
Starting Autotuning (AT)
“AT ON” or “AT OFF” can be set by Operation mode PID/AT transfer.
Example: When computing PID values of segment 2 (soak segment) of Program pattern 1
To conduct AT in the Fixed set point control mode (FIX), press the FIX key at the PV/SV monitor
screen in the Reset mode. Follow the setting procedure described above to conduct AT in the Fixed
set point control mode (FIX).
PV
H:M:S SV
88ATU
$
30:00 008AT
81
82
1
DO
2 3 4 5 6 7 8 9 10 12 11
LM TS
T
OUT2
OUT3
OUT1
PV
H:M:S SV
††220
$
30:00100
81
81
1
DO
2 3 4 5 6 7 8 9 10 12 11
LM TS
T
OUT2
OUT3
OUT1
Reset mode
PV/SV monitor
2 seconds
or more
PV
H:M:S SV
† MODE
$
30:00 8 PROG
81
82
1
DO
2 3 4 5 678910 1211
LMTS
T
OUT2
OUT3
OUT1
Operation mode
Operation mode transfer
Tree times
PV
H:M:S SV
88ATU
$
30:00 00PID
81
82
1
DO
2345678910 1211
LMTS
T
OUT2
OUT3
OUT1
Operation mode
PID/AT transfer
PV
H:M:S SV
†8880
$
29:59 80000
81
81
1
DO
2345678910 1211
LMTS
T
OUT2
OUT3
OUT1
Program control mode
PV/SV monitor
RUN
PID/AT transfer
PV
H:M:S SV
88ATT
$
30:00 00OFF
81
82
1
DO
2 3 4 5 6 7 8 9 10 12 11
LM TS
T
OUT2
OUT3
OUT1
Autotuning (AT) with
learning function
Press the key to start AT.
Press the RUN key to
switch to the Program
control mode.
Pattern number
Segment number
Press the key
to display AT.
AT lamp flashes when AT starts.
(AT end: AT lamp turns off)
PV
H:M:S SV
†8200
$
59:59 80200
81
82
1
DO
2 3 4 5 678910 1211
LMTS
T
OUT2
OUT3
OUT1
Program control mode
PV/SV monitor
Wait until the segment
number 2 displays.
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