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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.
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.
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.
Pr.
Name
990
PU buzzer control
E104
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.
Pr.
Name
1048
Display-off waiting time
E106
• 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.
Pr.
Name
161
Key lock operation selection
E200
• 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
page 97
Initial value
Setting range
0
1
1
Initial value
Setting range
0
0
1 to 60 min
Initial value
Setting range
0
0
10
for 2 seconds to disable setting dial or key operations.
Description
Turns the key sound and buzzer OFF.
Turns the key sound and buzzer ON.
Description
Display-off setting is disabled.
Set time until the LED of the operation panel is turned
OFF.
Description
The key are operable.
The key are inoperable.
5.2 (E) Environment setting parameters
1
2
3
4
5
6
7
8
9
10
89
5. PARAMETERS
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