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5. PARAMETERS
5.2 (E) Environment setting parameters
1
2
3
4
5
6
7
8
9
10
Reset limit (P.E107)
• Setting
P.E107
= "1" or
Pr.75
= any of "114 to 117" will make the converter unit to refuse any reset operation (RES signal
input, etc.) for 3 minutes after the first activation of an electronic thermal O/L relay function (E.THC).
NOTE
• Resetting the converter unit power (turning OFF the control power) clears the accumulated thermal value.
• When the retry function is set enabled (
Pr.67 Number of retries at fault occurrence
≠
"0"), the reset limit function is disabled.
Parameters referred to
Pr.67 Number of retries at fault occurrence
5.2.3
Buzzer control
The operation panel key sound and buzzer can be turned ON/OFF.
NOTE
• When the buzzer is set to ON, a warning sound will be audible when a fault occurs.
5.2.4
Display-off setting
The LED display of the operation panel (FR-DU08) can be turned OFF when the operation panel has not been used for a certain
period of time.
• When the operation panel has not been operated for the time set in
Pr.1048
, the display-off setting is activated and the
LED display turns OFF.
• In the display-off state, the [MON] indicator blinks slowly.
• The time interval counting for display-off is reset at removal/reinstallation of the operation panel, power-ON/OFF of the
converter unit, or converter reset.
• Display-off mode end condition
Operation of the operation panel
Occurrence of a warning, alarm, or fault
Installation/removal of the operation panel, power-ON/OFF of the converter unit, or converter reset
5.2.5
Disabling the setting dial and keys on the operation
panel
The keys on the operation panel can be disabled.
• The setting dial and keys on the operation panel can be disabled to prevent unexpected parameter changes.
• Set
Pr.161
to "10" and then press
for 2 seconds to disable setting dial or key operations.
CAUTION
• Do not reset the converter unit while the inverter start signal is being input. Doing so will cause a sudden start
of the motor, which is dangerous.
Pr.
Name
Initial value
Setting range
Description
990
E104
PU buzzer control
1
0
Turns the key sound and buzzer OFF.
1
Turns the key sound and buzzer ON.
Pr.
Name
Initial value
Setting range
Description
1048
E106
Display-off waiting time
0
0
Display-off setting is disabled.
1 to 60 min
Set time until the LED of the operation panel is turned
OFF.
Pr.
Name
Initial value
Setting range
Description
161
E200
Key lock operation selection
0
0
The key are operable.
10
The key are inoperable.