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6 Parameters
6 - 66
E5@C Digital Temperature Controllers User’s Manual (H174)
at-g
AT Calculated Gain
Control must be set to 2-PID control.
at-h
AT Hysteresis
lcma
Limit Cycle MV Amplitude
Control must be set to 2-PID control or close
position-proportional control.
• Normally use the default values for these parameters.
• The AT Calculated Gain parameter sets the gain for when PID values are calculated using
AT. When emphasizing response, decrease the set value. When emphasizing stability,
increase the set value.
• The AT Hysteresis parameter sets the hysteresis for limit cycle operation during
autotuning when switching ON and OFF.
• The Limit Cycle MV Amplitude parameter sets the MV amplitude for limit cycle operation
during autotuning.
z
Related Parameters
AT Execute/Cancel (Adjustment Level): Page 6-20
inf
Input Digital Filter
• This parameter sets the time constant for the input digital filter. The following diagram
shows the effect on data after passing through the digital filter:
000
000
000
Function
Setting
Parameter name
Setting range
Unit
Default
AT Calculated Gain
0.1 to 10.0
---
Standard Model: 0.8
Position-proportional Model: 1.0
AT Hysteresis
Temperature
input: 0.1 to 999.9
°
C
0.8
°
F
1.4
Analog input:
0.01 to 9.99
%FS
0.20
Limit Cycle MV Amplitude
5.0 to 50.0
%
20.0
See
See
Function
A
0.63 A
PV before passing through filter
PV after passing through filter
(Time constant)
Input digital filter
Time
Setting
Setting range
Unit
Default
0.0 to 999.9
Seconds
0.0
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 ...