Chapter 12 Description of Parameter SettingsMS300 (High Speed Model)
12-07-5
Treatment of Restart after Fault
Factory Setting: 0
Settings 0: Stop operation
1: Speed tracking by current speed
2: Speed tracking by minimum output frequency
Fault includes: bb, oc, ov, occ. To restart after oc, ov, occ, Pr. 07-11 can NOT be set to 0.
Restart Times after Fault
Factory Setting: 0
Settings 0~10
After fault (allowed fault: oc, ov, occ) occurs, the AC motor drive can be reset / restarted
automatically up to 10 times.
If the times of fault occurs exceeds Pr. 07-11 setting, the fault will not be restart /reset until user
press “RESET” manually and execute operation command again.
Speed Tracking during Start-up
Factory Setting: 0
Settings 0: Disable
1: Speed tracking by maximum output frequency
2: Speed tracking by motor frequency at start
3: Speed tracking by minimum output frequency
Speed tracking function is suitable for punch, fans and other large inertia load. For example,
mechanical punch usually has a large inertia flywheel, and the general stop method is coast to
stop. Therefore, if it needs to be restarted again, the flywheel will take 2-5 minutes or longer to
stop. By setting this parameter, there is NO need to wait till the flywheel stops completely to
make the flywheel start operating immediately.
In PG control mode, the AC motor drive will execute the speed tracking function automatically by
the PG speed when this setting is NOT set to 0.
dEb Function Selection
Factory Setting: 0
Settings 0: Disable
1: dEb with auto accel. / decal., the frequency will not return after power
recovery.
2: dEb with auto accel. / decal., the frequency will return after power recovery
dEb (Deceleration Energy Backup) let the motor decelerate to stop when momentary power loss
occurs. When the power loss instantly, this function can be used to let the motor decelerate to
zero speed. If the power recovers at this time, drive can restart the motor after dEb return time.
Lv return level: Default value will depend on the drive power model.
Frame A, B, C, D = Pr. 06-00 + 60V / 30V (220V series)
Frame E and above = Pr. 06-00 + 80V / 40V (220V series)
Lv level: Default is Pr. 06-00
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