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E6581301
F-18
6
6.9 Auto-stop in case of lower-limit frequency continuous operation
(Sleep/Wake-up function)
H
HH
H
: Time limit for lower-limit frequency operation
• Function
If operation is carried out continuously at a frequency below the lower-limit frequency (
NN
) for the period
time set
H
, theinverter will automatically slow down the motor to a stop.
“
NUVR
” is always displayed on the operation panel. (Blinking alternately)
The auto-stop function will be disabled when the frequency command value reaches over the lower limit
frequency (
NN
)+0.2Hz or the operation command is turned to off.
[Parameter setting]
Title
Function
Adjustment range
Default setting
H
Auto-stop in case of lower-limit frequency
continuous operation
:None
~ sec.
Output frequency [Hz]
H
H
H
Time [s]
Operation signal (F-CC)
(SW1 set to sink logic)
ON
OFF
NN
+0.2Hz
NN
Note: This function is enabled even at the start of operation and during switching between forward and reverse run.