4-203
07-18 Minimum base block time
Range
0.1~5.0 Sec
In case of a momentary power failure, the inverter continues to operate after the power has been restored when
parameter 07-00 is set to 1. Once the momentary power failure is detected; the inverter will automatically shut
down the output and maintain B.B for a set time (07-18).
It is expected that after the minimum base block time has expired the residual voltage to be almost zero.
When the momentary power failure time exceeds the minimum base block time (07-18), the inverter will
automatically perform a speed search upon return of power. Refer to the following figure 4.4.63.
Figure 4.4.63 Minimum B.B time and momentary power loss time
Minimum base block time (07-18) is also used to for the DC braking function in combination with speed search as
follows:
- Set the minimum base block time required (07-18).
- Execute speed search or DC braking function.
- Increase minimum Baseblock time if over-current "OC" condition occurs.
- After speed search is completed, normal operation continues.
07-19 Speed Direction Search Operating Current
Range
0~100 %
07-20 Speed Search Operating Current
Range
0~100 %
07-21
Integral time of speed searching
Range
0.1~10.0 Sec
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