1.2 b: Application
YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual 55
Parameter Details
1
Table 1.20 Speed Search Activation by Digital Inputs
To activate Speed Search by a digital input the input must always be set together with the
Run command.
3. After automatic fault restart
Set the number of maximum fault restarts in parameter L5-01 higher than 0.
4. After momentary power loss
The following parameter settings are necessary:
• Enable Power Loss Ride-Thru selection by setting L2-01 to 1 (enabled) or 2 (enabled
during CPU operation). Refer to L2-01: Momentary Power Loss Operation
Selection on page 192.
• Set the number of maximum fault restarts in parameter L5-01 higher than 0.
5. After baseblock is released
The drive will resume the operation starting with Speed Search if the Run command is
present and the output frequency is above the minimum frequency when the Baseblock
command (H1- = 8 or 9, N.O. and N.C., respectively) is released.
■
b3-01: Speed Search Selection at Start
Selects if Speed Search is automatically performed when a Run command is issued.
Setting 0: Disabled
Speed Search is not automatically performed. It can be activated using a digital input.
Setting 1: Enabled
Speed Search is performed with every Run command.
■ b3-02: Speed Search Deactivation Current
Sets Speed Search operating current as a percentage of the drive rated current. If the current
falls below this level while performing Current Detection Speed Search then Speed Search
will be finished and normal operation will resume. Normally there is no need to change this
setting. If the drive won’t run after a restart, lower this value.
Setting Description b3-24 = 0 b3-24 = 1
61
External Search
Command 1
Closed: Activate Current Detection
Speed Search from the maximum
output frequency (E1-04).
Activate Speed Estimation
Speed Search
62
External Search
Command 2
Closed: Activate Current Detection
Speed Search from the frequency
reference.
No. Parameter Name Setting Range Default
b3-01 Speed Search Selection at Start 0 or 1 0