137
Motor brake and stop operation
(3) Without brake opening completion signal input (
Pr.292
= "8")
When the start signal is input to the inverter, the inverter starts running. When the internal speed command reaches the
value set in
Pr. 278
and the output current is not less than the value set in
Pr. 279
, the inverter outputs the brake opening
request signal (BOF) after the time set in
Pr. 280
has elapsed.
When the time set in
Pr. 281
elapses after the BOF signal is output, the inverter increases the output frequency to the set
speed.
When the inverter decelerates to the frequency set in
Pr.282
during deceleration, the inverter turns OFF the BOF signal and
decelerates further to the frequency set in
Pr.278
. After the turn OFF of BOF signal, the inverter holds the frequency set in
Pr.278
for the time set in
Pr.283
. And after the time set in
Pr.283
passes, the inverter decelerates again. The inverter finally
stops when its frequency reaches to
Pr.13 Starting frequency
setting or 0.5Hz, whichever is lower.
REMARKS
If brake sequence function has been selected, inputting the JOG signal (Jog operation) or RT signal (second function selection)
during an inverter stop will make brake sequence function invalid and give priority to Jog operation or second function selection.
Note that JOG and RT signal input is invalid even if JOG signal and RT signal are input during operation with brake sequence
function.
STF
ON
Output current
Brake opening request
(BOF signal)
ON
Electromagnetic brake operation
Opened
Closed
Closed
Time
Pr. 278
Pr. 282
Target
frequency
Output frequency (Hz)
Pr. 281
Pr. 280
Pr. 279
Pr. 13
Pr. 283
Pr.13
setting
or 0.5Hz,
whichever is lower
Содержание FR-E710W-0.1K
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Страница 335: ...335 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...
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