Chapter 12 Description of Parameter Settings
MH300
Current Detection Level for Output Phase Loss
Default: 1.00
Settings 0.00–100.00%
DC Brake Time for Output Phase Loss
Default: 0.000
Settings 0.000–65.535 sec.
Setting Pr.06-48 to 0 disables the OPHL detection function.
The statuses of output phase loss detection are as following:
Status 1: The drive is in operation
When any phase is less than the Pr.06-47 setting, and exceeds the Pr.06-46 setting time, the
drive executes according to the Pr.06-45 setting.
Status 2: The drive is in STOP; Pr.06-48 = 0; Pr.07-02 ≠ 0
After the drive starts, the DC brake operates according to Pr.07-01 and Pr.07-02. During this
period, OPHL detection is not active. After the DC brake action is completed, the drive starts
to run, and enables the OPHL protection as mentioned above for status 1.
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