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A 1 L Protection Function
No
(Addr
Name
e )
L8-06
Input Phase Detection
(4B2)
Level
L8-07
Output Phase Loss
(4B3)
Protection Selection
L8-09
Output Ground Fault
(4B5)
Detection Selection
L8-10
Heatsink Cooling Fan
(4B6)
Operation Selection
L8-11
Heatsink Cooling Fan
(4B7)
Off Delay Time
L8-12
Ambient Temperature
(4B8)
Setting
oL2 Characteristics
L8-15
Selection at Low Speeds
(4BB)
L8-18
Software Current Limit
(4BE)
Selection
Frequency Reduction
L8-19
Rate during Overheat
(4BF)
Pre-Alarm
L8-27
Overcurrent Detection
(4DD)
Gain
L8-29
Current Unbalance
(4DF)
Detection (LF2)
Main Contactor and
L8-32
Cooling Fan Power
(4E2)
Supply Failure Selection
L8-35
Installation Method
(4EC)
Selection
L8-38
Carrier Frequency
(4EF)
Reduction
Carrier Frequency
L8-40
Reduction Off Delay
(4F1)
Time
L8-41
High Current Alarm
(4F2)
Selection
2 8
LCD Display
When ripple is observed in the DC bus, expansion of the input
bias is calculated. This value becomes the input phase if the
difference between the maximum and minimum values of the
Inp Ph Loss Lvl
ripple is greater than the value set to L8-06.
Detection Level = 100% = Voltage class x
Outp Ph Loss Det
0: Disabled
0: Disabled
1: Enabled (triggered by a single phase loss)
1: 1PH Loss Det
2: Enabled (triggered when two phases are lost)
2: 2/3PH Loss Det
Grnd Flt Det Sel
0: Disabled
0: Disabled
1: Enabled
1: Enabled
0: During run only. Fan operates only during run for L8-11
Fan On/Off Sel
seconds after stop.
0: Dur Run (OffDly)
1: Fan always on. Cooling fan operates whenever the drive is
1: Always On
powered up.
Sets a delay time to shut off the cooling fan after the Run
Fan Delay Time
command is removed when L8-10 = 0.
Enter the ambient temperature. This value adjusts the oL2
Ambient Temp
detection level.
OL2 Sel @ L-Spd
0: No oL2 level reduction below 6 Hz.
0: Disabled
1: oL2 level is reduced linearly below 6 Hz. It is halved at 0 Hz.
1: Enabled
Soft CLA Sel
0: Disabled
0: Disabled
1: Enabled
1: Enabled
Specifies the frequency reference reduction gain at overheat
pre-alarm when L8-03 = 4.
Fc Red dur OHAlm
Sets the gain for overcurrent detection as a percentage of the
motor rated current. Overcurrent is detected using the lower
OC Level
value between the overcurrent level of the drive or the value set
to L8-27.
LF2 Flt Det Sel
0: Disabled
0: Disabled
1: Enabled
1: Enabled
Determines drive response when a fault occurs with the internal
MC/FAN PS FltSel
cooling fan.
0: Ramp to stop
0: Ramp to stop
1: Coast to stop
1: Coast to stop
2: Fast-Stop
2: Fast stop (Decelerate to stop using the deceleration time set
3: Alarm only
to C1-09)
4: Run@L8-19 Rate
3: Alarm only ("FAn" will flash)
4: Continue operation at reduced speed as set to L8-19.
Installation Sel
0: IP00/Open-Chassis enclosure
0: IP00/OpenChassis
2: IP20/NEMA 1, UL Type 1 enclosure
2: IP20/Nema Type 1
3: External Heatsink Installation
3: ExternalHeatsink
Fc Reduct dur OL
0: Disabled
0: Disabled
1: Enabled below 6 Hz
1: Active below 6Hz
2: Enabled for the entire speed range
2: Active @ any Spd
Sets the time that the drive continues running with reduced
Fc Reduct Time
carrier frequency after the carrier reduction condition is gone.
Setting 0.00 s disables the carrier frequency reduction time.
0: Disabled
High Cur Alm Sel
1: Enabled.
0: Disabled
An alarm is triggered at output currents above 150% of drive
1: Enabled
rated current.
Description
alues
Pa e
Default:
<1>
Min.: 0.0%
120
Max.: 50.0%
Default: 1
121
Range: 0 to 2
Default:
<1>
121
Range: 0, 1
Default: 0
121
Range: 0, 1
Default: 300 s
Min.: 0
121
Max.: 300
Default: 40 °C
Min.: 40
122
Max.: 60
Default: 1
122
Range: 0, 1
Default: 0
122
Range: 0, 1
Default: 20.0%
Min.: 10.0
<5>
120
Max.: 100.0
Default: 300.0%
Min.: 0.0
122
Max.: 300.0
Default: 1
122
Range: 0, 1
Default: 1
123
Range: 0 to 4
Default:
<1> <2>
<3>
123
Range: 0, 2, 3
Default:
<4>
123
Range: 0 to 2
Default: 0.50 s
Min.: 0.00
124
Max.: 2.00
Default: 0
124
Range: 0, 1
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