Parameters A - 19
Motor Overload
L1-01
Motor Overload Protection
Selection
MOL Fault Select
Enables or disables the motor thermal overload
protection.
0: Disabled
1: Std Fan Cooled (Enabled)
2: Std Blower Cooled
3: Vector Motor
0 to 1
1
Programming
L1-02
Motor Overload Protection
Time
MOL Time Const
Determines how much time will elapse prior to a motor
overload fault (OL1), when motor amps exceed the
value set in parameter E2-01 by 10%. Actual (OL1) trip
time will vary depending on severity of overload.
0.1 to 20.0
8.0min
Programming
L1-03
Motor Overheat Alarm Operation
Selection
Mtr OH Alarm Sel
Operation selection when the motor temperature analog
input (H3-09=E) exceeds the OH3 alarm level (1.17V)
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
3: Alarm Only
0 to 3
3
Programming
L1-04
Motor Overheat Fault Operation
Selection
Mtr OH Fault Sel
Stopping method when the motor temperature analog
input (H3-09=E) exceeds the OH4 level (2.34V).
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
0 to 2
1
Programming
L1-05
Motor Temperature Input Filter
Time
Mtr Temp Filter
Delay Time applied to motor temperature analog input
(H3-09=E) for filtering purposes.
0.00 to
10.00
0.20sec
Programming
PwrLoss Ridethru
L2-01
Momentary Power Loss Detection
Selection
PwrL Selection
Enables and disables the momentary power loss
function.
0: Disabled - Drive trips on (UV1) fault when power is
lost.
1: PwrL Ride Thru t - Drive will restart if power returns
within the time set in L2-02.*
2: CPU Power Active - Drive will restart if power
returns prior to internal power supply shut down.*
* In order for a restart to occur, the run command must
be maintained throughout the ride thru period.
0 to 2
2
Programming
L2-02
Momentary Power Loss Ride-thru
Time
PwrL Ridethru t
Determines the power loss ride-thru time. This value is
dependent on the capacity of the drive. Only effective
when L2-01 = 1.
0.0 to
25.5sec
kVA
Dependent
Programming
L2-03
Momentary Power Loss Mini-
mum Base Block Time
PwrL Baseblock t
Used to allow the residual motor voltage to decay before
the drive output turns back on. After a power loss, if
L2-03 is greater than L2-02, operation resumes after the
time set in L2-03.
0.1 to 5.0sec
kVA
Dependent
Programming
L2-04
Momentary Power Loss Voltage
Recovery Ramp Time
PwrL V/F Ramp t
The time it takes the output voltage to return to the
preset V/f pattern after speed search (current detection
mode) is complete.
0.0 to 5.0sec
kVA
Dependent
Programming
L2-05
Undervoltage Detection
Level
PUV Det Level
Sets the drive's DC Bus undervoltage trip level. If this is
set lower than the factory setting, additional AC input
reactance or DC bus reactance may be necessary.
Voltage
Class
Dependent
Voltage
Class
Dependent
Programming
Table A.1 Parameter List (Continued
)
Parameter
No.
Parameter Name
LCD Digital Operator Display
Description
Setting
Range
Factory
Setting
Menu
Location
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