2.4 C: Tuning
224 YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
If C6-09 = 0 and you do Auto-Tuning on a high frequency motor or low impedance motor, it can cause oC
[Overcurrent]. To prevent oC, increase the carrier frequency value, set C6-09 = 1, then do Auto-Tuning.
The procedure to set the carrier frequency when the A1-02 [Control Method Selection] setting changes.
• When A1-02 = 2 [OLV], set C6-02 = F [Carrier Frequency Selection = User Defined (C6-03 to C6-05)] and then
increase the value set to C6-03 [Carrier Frequency Upper Limit].
• When A1-02 = 5 or 6 [OLV/PM or AOLV/PM], use C6-02 to increase the carrier frequency.
0 : 5 kHz
Note:
When A1-02 = 5 or 6, the carrier frequency is 2 kHz.
1 : Use C6-03
Note:
When A1-02 = 5 or 6, the carrier frequency is the value set to C6-02.
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