1.2 b: Application
58 YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
■ b3-18: Speed Search Restart Detection Time
Sets the time the current must be above the level set in b3-17 before Speed Search is
restarted.This function has no influence when Current Detection Speed Search is used (b3-
24 = 0)
■ b3-19: Number of Speed Search Restarts
Sets the number of times the drive should attempt to find the speed and restart the motor
using Speed Estimation Speed Search. This function has no influence when Current
Detection Speed Search is used (b3-24 = 0).
■ b3-24: Speed Search Method Selection
Sets the Speed Search method used.
Note: For explanations of the Speed Search methods, refer to Current Detection Type Speed Search
(b3-24 = 0) on page 52 and Speed Estimation Type Speed Search (b3-24 = 1) on page 50
Setting 0: Current Detection Speed Search
Setting 1: Speed Estimation Speed Search
■
b3-25: Speed Search Wait Time
Sets the wait time between Speed Search restarts.
◆ b4: Delay Timers
The timer function is independent of the drive operation and can be used to delay the
switching of a digital output triggered by a digital input signal. An On-delay and Off-delay
can be separately set. The delay timer can help to get rid of chattering switch noise from
sensors.
No. Name Setting Range Default
b3-18 Speed Search Restart Detection Time 0.00 to 1.00 s 0.10 s
No. Name Setting Range Default
b3-19 Number of Speed Search Restarts 0 to 10 3
No. Parameter Name Setting Range Default
b3-24 Speed Search Method Selection 0 or 1 0
No. Name Setting Range Default
b3-25 Speed Search Wait Time 0.0 to 30.0 s 0.5 s
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