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Motor brake and stop operation
4
4.9.4
Output stop function (Pr.522)
⋅
When both of the frequency setting signal and output frequency falls to the frequency set in
Pr. 522
or lower, the
inverter stops the output and the motor coasts to a stop.
⋅
After a stop, the inverter output re-starts when the frequency signal is set higher than
Pr.522
+ 2Hz. The motor re-
accelerates at the
Pr.13 Starting frequency
.
* The output frequency before the slip compensation is compared with the
Pr.522
setting.
*1 After a stop, inverter re-starts accelerating at
Pr.13
Starting frequency
.
*2 The output frequency before the slip compensation is compared with the
Pr.522
setting.
*3 Steepness of the slope depends on the acceleration/deceleration time settings such as
Pr.7
.
The motor coasts to a stop (inverter output shutoff) when inverter output frequency falls to
Pr. 522
setting or lower.
Parameter
Number
Name
Initial
Value
Setting
Range
Description
522
Output stop frequency
9999
0 to 400Hz
Set the frequency to start coasting to a stop (output shutoff).
9999
No function
The above parameters can be set when
Pr. 160 User group read selection
= "0".
(Refer to page 175)
....
Specifications differ according to the date assembled.
to check the SERIAL number.
Output frequency
*
Pr.522
Pr.13
STF
Time
Inverter output shutoff
RUN
Pr.522
+2Hz
Target frequency
(fixed)
Example of when target frequency>
Pr.522
+2Hz, and start signal is ON/OFF
Pr.522
Pr.13
STF
*1
Output frequency
*2
*1
Time
RUN
Pr.522
+2Hz
Analog input command
Pr.522
Time
Pr.522
+2Hz
Inverter output
shutoff
Inverter output
shutoff
target frequency = analog input command,
start signal always ON
Example of:
*3
*3