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Misoperation prevention and parameter setting restriction
4.17.2 Parameter write disable selection (Pr. 77)
(1) Write parameters only during stop
(setting "0" initial value)
Parameters can be written only during a stop in the PU operation mode.
The shaded parameters in the parameter list
(page 58)
can always be written regardless of the operation mode and
operating status. However,
Pr. 72 PWM frequency selection
and
Pr. 240 Soft-PWM operation selection
can be written when the
inverter is running in the PU operation mode, but cannot be written in the External operation mode.
(2) Inhibit parameter write
(setting "1")
(3) Write parameters during operation
(setting "2")
Parameters can always be written.
The following parameters cannot be written when the inverter is running even if
Pr. 77
= "2". Stop the inverter when
changing their parameter settings.
You can select whether write to various parameters can be performed or not. Use this function to prevent parameter
values from being rewritten by misoperation.
Parameter
Number
Name
Initial Value
Setting Range
Description
77
Parameter write selection
0
0
Write is enabled only during stop.
1
Parameter can not be written.
2
Parameter write is enabled in any operation
mode regardless of operation status.
The above parameter can be set when
Pr. 160
Extended function display selection
= "0".
Pr. 77
can always be set independently from the operation mode and operation status.
Parameter write is not enabled.
(Read is enabled.)
Parameter clear and all parameter clear cannot be
performed, either.
The parameters given on the right can be written even if
Pr.
77
= "1".
Parameter
Number
Name
22
Stall prevention operation level
75
Reset selection/disconnected PU detection/
PU stop selection
77
Parameter write selection
79
Operation mode selection
160
Extended function display selection
296
Password lock level
297
Password lock/unlock
Parameters referred to
Pr. 79 Operation mode selection
Parameter
Number
Name
23
Stall prevention operation level compensation
factor at double speed
40
RUN key rotation direction selection
48
Second stall prevention operation current
60
Energy saving control selection
66
Stall prevention operation reduction starting
frequency
71
Applied motor
79
Operation mode selection
80
Motor capacity
82
Motor excitation current
83
Rated motor voltage
84
Rated motor frequency
90
Motor constant (R1)
96
Auto tuning setting/status
178 to 182
(input terminal function selection)
190, 192, 197 (output terminal function selection)
261
Power failure stop selection
298
Frequency search gain
450
Second applied motor
561
PTC thermistor protection level
Parameter
Number
Name
Содержание FR-D710W-0.1K
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Страница 297: ...295 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...
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