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Parameter Write Selection - Mitsubishi Electric FR-CS84-012 Instruction Manual

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• When the keys become disabled, "
attempted while the keys are disabled, "
to the monitoring screen.)
• To enable the keys again, press
NOTE
• Even while the keys are disabled, the monitoring and
• The PU stop warning cannot be reset by using keys while the key lock function is enabled.
Parameters referred to
page 117
Pr.1 Maximum frequency
5.3.7

Parameter write selection

Whether to enable the parameter write or not can be selected. Use this function to prevent parameter values from being
rewritten by misoperation.
Pr.
Name
77
Parameter write selection
E400
can be set at any time regardless of the operation mode or operation status. (Setting through communication is
Pr.77
unavailable.)
 Parameter write enabled only during stop (Pr.77 = "0 (initial value)")
• Parameters can be written only during a stop in the PU operation mode.
• The following parameters can always be written regardless of the operation mode or operation status.
Pr.
(Multi-speed setting high-speed, middle-
4 to 6
speed, low-speed)
22
Stall prevention operation level
24 to 27
(Multi-speed setting speed 4 to speed 7)
*1
PWM frequency selection
72
Reset selection / Disconnected PU detection /
75
PU stop selection
77
Parameter write selection
*2
Operation mode selection
79
129
PID proportional band
130
PID integral time
133
PID action set point
*1
Writing during operation is enabled in PU operation mode, but disabled in External operation mode.
*2
Writing during operation is disabled. To change the parameter setting, stop the operation.
 Parameter write disabled (Pr.77 = "1")
• Parameter write, Parameter clear, and All parameter clear are disabled. (Parameter read is enabled.)
• The following parameters can be written even if
Pr.
22
Stall prevention operation level
75
Reset selection / Disconnected PU detection / PU
stop selection
77
Parameter write selection
*1
Writing during operation is disabled. To change the parameter setting, stop the operation.
" appears on the operation panel for a moment. If the key operation is
" appears. (After no key operation for 2 seconds, the display returns
for 2 seconds.
Initial value
Setting range
0
1
0
2
Name
= "1".
Pr.77
Name
are enabled.
Parameter write is enabled only during stop.
Parameter write is disabled.
Parameter write is enabled in any operation mode
regardless of the operation status.
Pr.
134
PID differential time
232 to 239
(Multi-speed setting speed 8 to speed 15)
*1
Soft-PWM operation selection
240
296, 297
(Password setting)
*2
Communication startup mode selection
340
PU mode operation command source
*2
551
selection
774 to 776
(Operation panel monitor item selection)
990
PU buzzer control
991
PU contrast adjustment
Pr.
Operation mode selection
*1
79
296
Password lock level
297
Password lock/unlock
5.3 (E) Environment setting parameters
Description
Name
Name
5. PARAMETERS
2
2
3
4
5
6
7
8
9
10
89

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