Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 102

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102 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Chapter 3 Drive Port 0 Parameters
File
Group
No. Display Name
Full Name
Description
Values
Read-Write
Data Type
PROTECTION
Power Loss
449 Power Loss Actn
Power Loss Action
Configures the drives response to a power loss timeout condition. Time is set in P452/
455 [Pwr Loss n Time].
“Ignore” (0) – No action is taken.
Alarm” (1) – Type 1 alarm indicated.
“Flt Minor” (2) – Minor fault indicated. If running, drive continues to run.
Enable with P950 [Minor Flt Cfg]. If not enabled, acts like a major fault.
“FltCoastStop” (3) – Major fault indicated. Coast to Stop.
Default:
Options:
1 = “Alarm”
0 = “Ignore”
1 = “Alarm”
2 = “Flt Minor”
3 = “FltCoastStop”
RW 32-bit
Integer
450
453
Pwr Loss Mode A
Pwr Loss Mode B
Power Loss Mode A, B
Configures the drive’s response to a loss of input power as sensed by a drop in bus
voltage. The bus voltage drop is specified in P451/454 [Pwr Loss n Level] and compared
to the bus voltage memory P12 [DC Bus Memory].
Default:
Options:
0 = “Coast”
0 = “Coast”
1 = “Decel”
2 = “Continue
RW 32-bit
Integer
451
454
Pwr Loss A Level
Pwr Loss B Level
Power Loss Mode A, B Level
Sets the bus voltage level at which ride-through begins and modulation ends. When bus
voltage falls below this level, the drive prepares for an automatic restart. Enter a
percentage of the bus voltage derived from the high voltage setting for the voltage
class.
For example: on a 400/480V drive,
Units:
Default:
Min/Max:
V DC
P20 [Rated Volts] x 0.3913
0.0 / P20 [Rated Volts] x 1.41
RW Real
452
455
Pwr Loss A Time
Pwr Loss B Time
Power Loss Mode A, B Time
Sets the time that the drive will remain in power loss mode before a fault is detected.
Units:
Default:
Min/Max:
Secs
2.00
0.00 / 60.00
RW Real
456 PwrLoss RT BusKp
Power Loss Ride Through Bus Kp
Proportional gain that adjusts the response of the bus regulator when power loss ride
through is enabled and detected. This parameter is not functional when any of the FV
motor control modes are selected.
Units:
Default:
Min/Max:
A/V
585.0
0.0 / 1000000.0
RW Real
457 PwrLoss RT BusKd
Power Loss Ride Through Bus Kd
Derivative gain that adjusts the response of the bus regulator when power loss ride
through is enabled and detected. This parameter is not functional when any of the FV
motor control modes are selected.
Units:
Default:
Min/Max:
Secs
50.0
0.0 / 1000000.0
RW Real
458 PwrLoss RT ACRKp
Power Loss Ride Through Active Current Regulator Kp
Proportional gain that adjusts the response of the active current regulator portion of the
bus regulator when power loss ride through is enabled and detected. This parameter is
not functional when any of the FV motor control modes are selected.
Units:
Default:
Min/Max:
Hz/A
524.0
0.0 / 100000.0
RW Real
459 PwrLoss RT ACRKi
Power Loss Ride Through Active Current Regulator Ki
Integral gain that adjusts the response of the active current regulator portion of the bus
regulator when power loss ride through is enabled and detected. This parameter is not
functional when any of the FV motor control modes are selected.
Units:
Default:
Min/Max:
Hz/A
2045.0
0.0 / 50000.0
RW Real
0.3913 480VAC 2×× 265.62VDC=
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