Delta EB3000 Series User Manual page 270

04-31
Phase Loss Protection during Operation

VF
Control Mode
Settings
 Sets the phase-loss action. The phase-loss affects the drive's control characteristics and life.
04-32
Phase Loss Detection of Drive Output at Start-up (MPHL)
VF
Control Mode
Settings
 1: Auto-detect whether the connection between the drive and motor is normal whenever the
drive runs. If an error occurs to the connection between the drive and the motor (broken or
loose wiring) or there is no output for the drive's any or all of the three phases, the drive
displays fault code MPHL (Motor phase loss) to indicate motor output phase loss.
04-33
MPHL Speed Level
VF
Control Mode
Settings
 Sets difference between current feedback frequency and the drive output frequency before
starting to count the times of motor output phase loss.
04-34
MPHL Current Level
VF
Control Mode
Settings
 Sets difference (percentage of rated current) between current command and feedback current
before starting to count the times of motor output phase loss.
04-35
MPHL Count Time
VF
Control Mode
Settings
 When either Pr.04-33 or Pr.04-34 level is reached for more than Pr.04-35 count time, motor
output phase loss occurs.
04-37
Over Ripple Protection
VF
Control Mode
Settings
 Sets to enable or disable over ripple protection for DC bus voltage ripple.
SVC FOCPG
0: Warn and keep operation
1: Fault and ramp to stop
2: Fault and coast to stop
SVC FOCPG
0: Disable
1: Enable
SVC FOCPG
0.00–15.00 Hz
SVC FOCPG
0.00–10.00% (of rated current)
SVC FOCPG
10.0–1000.0
SVC FOCPG
0: Disable
1: Enable
Chapter 8 Descriptions of Parameter SettingsEB3000
FOCPM
FOCPM
FOCPM
FOCPM
FOCPM
FOCPM
8-04-7
Default: 2
Default: 0
Default: 10.00
Default: 5.50
Default: 30.0
Default: 1