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4 Basic Operation
E5@C Digital Temperature Controllers User’s Manual (H174)
4-
9 Det
e
rm
inin
g PID
Con
s
tan
ts (
A
T
, S
T
, Manual Set
up)
4
4-9-1 A
T
(A
uto-tuning
)
Limit Cycle MV Amplitude
The Limit Cycle MV Amplitude parameter sets the MV amplitude for limit cycle operation during
auto-tuning.
*
This setting is disabled for 100% AT.
z
40% AT
• The width of MV variation in the limit cycle can be changed in the Limit Cycle MV Amplitude
parameter, but the AT execution time may be longer than for 100% AT. The limit cycle timing varies
according to whether the deviation (DV) at the start of auto-tuning execution is less than 10% FS.
z
100% AT
• Operation will be as shown in the following diagram, regardless of the deviation (DV) at the start of
AT execution. To shorten the AT execution time, select 100% AT.
The 100% autotuning is executed.
Operating Procedure
1
Press the
M
Key several times in the Adjustment Level to dis-
play
at
(AT Execute/Cancel).
Adjustment Level
2
Press the
U
or
D
Key to select
at-2
(100% AT execute).
*
The TUNE indicator will light during autotuning.
3
When AT ends, the AT Execute/Cancel parameter is set to
off
.
Adjustment Level
000
SP
PV
AT started
AT ended
Time
Limit Cycle MV
Amplitude 40%
Deviation
≥
10% FS
Deviation:
10% FS
Time
Deviation
<
10% FS
SP
PV
AT started
AT ended
Limit Cycle MV
Amplitude 40%
Deviation:
10% FS
* The Limit Cycle MV Amplitude parameter is disabled.
SP
PV
AT started
AT ended
Time
Limit Cycle MV
Amplitude 100%
off
at
AT Execute/
Cancel
at-2
at
off
at
AT Execute/
Cancel
Содержание E5C series
Страница 2: ......
Страница 18: ...Conventions Used in This Manual 16 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 34: ...1 Introduction 1 10 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 98: ...3 Part Names and Basic Procedures 3 20 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 310: ...6 Parameters 6 94 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 326: ...7 User Calibration 7 16 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 364: ...A Appendices A 38 E5 C Digital Temperature Controllers User s Manual H174 ...
Страница 365: ...Index 1 E5 C Digital Temperature Controllers User s Manual H174 I Index ...
Страница 370: ...Index 6 E5 C Digital Temperature Controllers User s Manual H174 ...