1.8 L: Protection Functions
224
YASKAWA ELECTRIC
SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
The drive uses the delay time set in parameter L8-40 and a hysteresis of 12% when
switching the carrier frequency back to the set value.
■
L8-40: Carrier Frequency Reduction Off Delay Time
Sets the delay time which is used to switch back to the normal carrier frequency. The carrier
frequency reduction function is disabled if this value is 0 s.
■
L8-41: High Current Alarm Selection
The drive can be set to trigger a high current alarm (HCA) when the output current rises too
high.
Setting 0: Disabled
No alarm is output.
Setting 1: Enabled
An alarm is triggered when the output current exceeds 150% of the drive rated current. If a
digital output is programmed for “Alarm” (H2-01/02/03 = 10).
No.
Name
Setting Range
Default
L8-40
Low Carrier Frequency Off Delay Time
0.00 or 2.00 s
0.50 s
No.
Name
Setting Range
Default
L8-41
High Current Alarm Selection
0 or 1
0
Summary of Contents for OYMC V1000
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