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6-51
Note 2. PID control feedback cannot be set for more than one analog input.
Note 3. Use different settings for the PID target value and the PID feedback value.
Adjust the responsiveness of the PID control by means of the proportional gain (P), integral time (I), and
derivative time (D).
Parameter
Display name
Setting
Units
Default
Valid access levels
number
p y
g
range
setting
V/f
Control
V/f with
PG
Open Loop
Vector
Flux
Vector
b5-02
PID Gain
0.00 to
25.00
Multi-
ple
1.00
Advanced
b5-03
PID I Time
0.0 to
360.0
Sec
1.0
Advanced
b5-05
PID D Time
0.0 to
10.00
Sec
0.00
Advanced
These parameters can be changed during operation.
Explanation of Set Values
•
Optimize the responsiveness by adjusting it while operating an actual load (mechanical system). (Re-
fer to
Adjusting PID Control on page 6-55.)
•
Any control (P, I, or D) that is set to zero (0.0, 0.00) will not operate.
Parameter
Display name
Setting
Units
Default
Valid access levels
number
p y
g
range
setting
V/f
Control
V/f with
PG
Open Loop
Vector
Flux
Vector
b5-04
PID I Limit
0.0 to
100.0
%
100.0
Advanced
This parameter can be changed during operation.
Explanation of Set Values
•
This parameter prevents the calculated value of the integral control in the PID control from exceeding
the fixed amount.
•
Parameter b5-04 is preset at the factory to the optimum value for most applications, so there is normal-
ly no need to change the setting.
•
Reduce the set value if there is a risk of load damage, or of the motor going out of step, by the Inverter’s
response when the load suddenly changes. If the set value is reduced too much, the target value and
the feedback value will not match.
•
Set this parameter as a percentage of the maximum frequency, with the maximum frequency taken as
100%.
Parameter
Display name
Setting
Units
Default
Valid access levels
number
p y
g
range
setting
V/f
Control
V/f with
PG
Open Loop
Vector
Flux
Vector
b5-06
PID Limit
0.0 to
100.0
%
100.0
Advanced
This parameter can be changed during operation.
Explanation of Set Values
•
Parameter b5-06 prevents the frequency reference after PID control from exceeding the fixed amount.
•
Set this parameter as a percentage of the maximum frequency, with the maximum frequency taken as
100%.
Advanced Operation
Chapter 6
Содержание SYSDRIVE 3G3FV
Страница 1: ...USER S MANUAL High function General purpose Inverter SYSDRIVE 3G3FV Cat No I516 E1 4 ...
Страница 16: ...Chapter 1 Introduction 1 1 Function 1 2 Nomenclature 1 3 New Functions 1 ...
Страница 33: ...Chapter 2 Installation 2 1 Mounting 2 2 Wiring 2 ...
Страница 112: ...Chapter 4 Trial Operation 4 1 Procedure 4 2 Operation Example 4 ...
Страница 289: ...Chapter 7 Parameter Lists 7 1 Initialize Mode Parameters 7 2 Program Mode Parameter List 7 ...
Страница 366: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9 ...
Страница 395: ...Chapter 10 Appendix 10 1 Notes on Using the Inverter for a Motor 10 ...