Chapter 12 Descriptions of Parameter SettingsC2000 Plus
12.1-06-24
06-49
Lvx Auto-Reset
Default: 0
Settings 0: Disabled
1: Enabled
06-50
Time for Input Phase Loss Detection
Default: 0.2
Settings 0.00–600.00 sec.
06-51
Capacitance oH Warning Level (Applied to 230V / 460V Models)
Default: Depending on the
model power
Settings 0.0–110.0 degree
Set the over-heat warning level of the drive’s internal DC bus capacitor.
When the setting is less than 10.0 degree, the drive uses its internal capacitor oH warning level.
06-52
Ripple of Input Phase Loss
Default:
Settings 230V models: 0.0–160.0 V
DC
30.0
460V models: 0.0–320.0 V
DC
60.0
575V models: 0.0–400.0 V
DC
75.0
690V models: 0.0–480.0 V
DC
90.0
06-53
Input Phase Loss Detection Action (OrP)
Default: 0
Settings 0: Fault and ramp to stop
1: Fault and coast to stop
When the drive detects the DC bus ripple exceeds the setting for Pr.06-52, and lasts for the time
of Pr.06-50 plus 30 seconds, the drive executes the input phase loss protection according to Pr.06-
53.
During the time of Pr.06-50 plus 30 seconds, if the DC bus ripple drops lower than the setting for
Pr.06-52, the Orp protection recalculates.
06-55
Derating Protection
Default: 0
Settings 0: Auto-decrease carrier frequency and limit output current
1: Constant carrier frequency and limit output current
2: Auto-decrease carrier frequency
Refer to Pr.00-01 (Maximum Operation Frequency) for allowable maximum output frequency in
each control mode.
The corresponded carrier frequency lower limit under each control mode:
VF, SVC, VFPG, and PM Sensorless:
Maximum operation frequency (Pr.01-00) × 10
minimum sampling point limit.
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