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Explanation of Settings
Set value
Contents
0
Feedback loss detection disabled.
1
Feedback loss detection enabled. (The Inverter will continue operating with a warning
output turned ON.)
2
Feedback loss detection enabled. (The Inverter’s protective function shuts off the output.)
•
Set this parameter to disable or enable the feedback loss detection function and to specify the opera-
tion of the Inverter after the loss of the feedback signal is detected.
•
Feedback loss will be detected if the Inverter receives feedback values lower than the feedback loss
detection level set with b5-13 for the time set with b5-14.
•
The loss of the feedback can be checked with the following output.
If 1 (warning) is set: Multi-function contact output or multi-function 1/2 output will turn ON as an
alarm (setting: 10).
If 2 (protective function) is set: The fault contact output will turn ON.
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
b5-13
Bb loss Det Lvl
0 to 100
%
0
Advanced
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
b5-14
Fb los Det Time
0.0 to
25.5
Sec
1.0
Advanced
•
These parameters are used to set reference values for detecting the loss of the feedback signal for
PID control.
•
Set parameter b5-13 to the detection level in 1% increments based on the feedback value correspond-
ing to the maximum frequency as 100%.
•
Set parameter b5-14 to the detection time in 1-s increments so that the loss of the feedback signal will
be detected when the time set elapses.
D
PID Control Switching Function of Multi-function Input
By setting multi-function inputs 1 through 6 (the parameters H1-01 through H1-06) to the following func-
tions, PID control characteristics can be selected.
•
PID control ON/OFF (setting: 19)
ON: PID control disabled (The Inverter is in normal control.)
PID or normal control function can be selected in advance.
•
PID control integral value reset (setting: 30)
ON: The integral value is reset.
The PID integral value will be reset to zero and the integral function disabled. This can be used to
handle the friction of the mechanism when stopped or to reduce gain.
•
PID control integral value hold (setting: 31)
ON: The integral value is retained.
The integral value in PID control can be fixed with the parameter set. This can be used to handle the
friction of the mechanism when stopped or to reduce gain or fluctuations.
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 ...