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Chapter 4 Parameters|
4-96 Revision August 2008, 03VE, SW V2.04
06-02 Phase-loss Protection
Control
mode
VF VFPG SVC FOCPG TQRPG
Factory Setting: 0
Settings 0 Warn and keep operation
1 Warn and ramp to stop
2 Warn and coast to stop
It is used to set the phase-loss treatment. The phase-loss will effect driver’s control
characteristic and life.
06-03 Over-Current Stall Prevention during Acceleration Unit: 1
Control
mode
VF VFPG SVC
Factory Setting: 170
Settings 00~250%
During acceleration, the AC drive output current may increase abruptly and exceed the value
specified by Pr.06-03 due to rapid acceleration or excessive load on the motor. When this
function is enabled, the AC drive will stop accelerating and keep the output frequency constant
until the current drops below the maximum value.
06-03
Over-Current
Detection
Level
Output
Frequency
Over-Current Stall
prevention during
Acceleration,
frequency held
time
actual acceleration time when over-current stall
prevention is enabled
current
06-04 Over-current Stall Prevention during Operation Unit: 1
Control
mode
VF VFPG SVC
Factory Setting: 170
Settings 00 to 250%
If the output current exceeds the setting specified in Pr.06-04 when the drive is operating, the
drive will decrease its output frequency to prevent the motor stall. If the output current is lower
than the setting specified in Pr.06-04, the drive will accelerate again to catch up with the set
frequency command value.