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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
b5-07
PID Offset
–100.0
to 100.0
%
0.0
Advanced
This parameter can be changed during operation.
Explanation of Set Values
•
Parameter b5-07 adjusts the PID control offset.
•
If both the target value and the feedback value are set to zero, adjust the Inverter’s output frequency to
zero.
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
b5-08
PID Delay Time
0.00 to
10.00
Sec
0.00
Advanced
This parameter can be changed during operation.
Explanation of Set Values
•
Parameter b5-08 is the low-pass filter setting for PID control outputs.
•
Parameter b5-08 is preset at the factory to the optimum value for most applications, so there is normal-
ly no need to change the setting.
•
If the viscous friction of the mechanical system is high, or if the rigidity is low, causing the mechanical
system to vibrate, increase the set value so that it is higher than the vibration frequency period. This
will decrease the responsiveness, but it will prevent the vibration.
D
Jump Frequency Function
While the Inverter is in PID control, a frequency band can be avoided by setting parameters d3-01
through d3-04 to the desired frequencies. Use this function to prevent vibration of the mechanical sys-
tem.
Note The frequency band to be set should be as narrow as possible, otherwise PID control will not func-
tion properly and the mechanical system may vibrate.
D
PID Control Reverse Characteristics
Use the following parameter to set or adjust PID control characteristics.
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
b5-09
Output Level Set
0, 1
---
0
Advanced
Explanation of Settings
Set value
Contents
0
Positive PID output.
1
Negative PID output. (–1 is added to the operation result of PID control.)
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 ...