YASKAWA U1000 iQpump Drive, User Manual

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No.
(Addr.
Hex)
Name LCD Display Description Values Page
L8-12
(04B8)
Ambient Temperature
Setting
Ambient Temp
Enter the ambient temperature. This value adjusts the oL2
detection level.
Default: 40 °C
Min.: -10
Max.: 50
–
L8-15
(04BB)
oL2 Characteristics
Selection at Low Speeds
OL2 Sel @ L-Spd
0: Disabled
1: Enabled
0: No oL2 level reduction below 6 Hz.
1: oL2 level is reduced linearly below 6 Hz. It is reduced to 70%
at 0 Hz.
Default: 1
Range: 0, 1
–
L8-18
(04BE)
Software Current Limit
Selection
Soft CLA Sel
0: Disabled
1: Enabled
0: Disabled
1: Enabled
Default:
<3>
Range: 0, 1
–
L8-19
(04BF)
Frequency Reduction
Rate during Overheat
Pre-Alarm
Fc Red dur OHAlm
Specifies the frequency reference reduction gain at overheat pre-
alarm when L8-03 = 4.
Default: 0.8
Min.: 0.1
Max.: 0.9
–
L8-32
(04E2)
Cooling Fan Failure
Selection
MC/FAN PS FltSel
0: Ramp to Stop
1: Coast to Stop
2: Fast-Stop
Determines drive response when a fault occurs with the internal
cooling fan.
0: Ramp to stop
1: Coast to stop
2: Fast stop (Decelerate to stop using the deceleration time set to
C1-09)
Default: 1
Range: 0 to 2
–
L8-35
(04EC)
Installation Method
Selection
Installation Sel
0: IP00/OpenChassis
2: IP20/Nema Type 1
3: Finless/Fin Ext
0: IP00/Open-Chassis enclosure
2: IP20/NEMA 1, UL Type 1 enclosure
3: External heatsink installation
Default:
<1>
Range: 0 to 3
–
L8-38
(04EF)
Carrier Frequency
Reduction
Fc Reduct dur OL
0: Disabled
1: Active below 6Hz
2: Active @ any Spd
0: Disabled
1: Enabled below 6 Hz
2: Enabled for the entire speed range
Default:
<2>
Range: 0 to 2
–
L8-40
(04F1)
Carrier Frequency
Reduction Off Delay
Time
Fc Reduct Time
Sets the time that the drive continues running with reduced carrier
frequency after the carrier reduction condition is gone. Setting
0.00 s disables the carrier frequency reduction time.
Default: 0.50 s
Min.: 0.00
Max.: 2.00
–
L8-41
(04F2)
High Current Alarm
Selection
High Cur Alm Sel
0: Disabled
1: Enabled
0: Disabled
1: Enabled. An alarm is triggered at output currents above 150%
of drive rated current.
Default: 0
Range: 0, 1
–
<1> Default setting is determined by parameter o2-04, Drive Model Selection.
<2> Default setting is determined by parameters A1-02, Control Method Selection, and o2-04, Drive Model Selection.
<3> Default setting is determined by parameter A1-02, Control Method Selection.
u
L9: Drive Protection 2
No.
(Addr.
Hex)
Name LCD Display Description Values Page
L9-03
(0819)
Carrier Frequency
Reduction Level
Selection
Fc ReductLvl Sel
0: Disabled
1: Enabled
Selects the level to start the reduction of the frequency or to clear
the current frequency level for the automatic reduction of the
carrier frequency.
There is normally no need to change this parameter from the
default value.
0: Reduces the carrier frequency based on the drive rated current
that is not derated.
1: Reduces the carrier frequency based on the drive rated current
that is derated by the carrier frequency and the temperature
selected for C6-02.
Default: 0
Range: 0, 1
–
L9-12
(0B28)
SoH Alarm Selection
during bb
SoH ALM Sel
0: Fault
1: Alarm
Sets the SoH (Snubber Discharge Resistor Overheat) alarm to
output a fault or a minor fault during baseblock (bb).
0: Outputs a fault for an SoH alarm during baseblock (bb).
1: Outputs a minor fault for an SoH alarm during baseblock (bb).
Default: 0
Range: 0, 1
–
B.9 L: Protection Function
320 YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual