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No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
L8-41
(04F2)
High Current Alarm
Selection
High Cur Alm Sel
0: Disabled
1: Enabled
All Modes
0: Disabled
1: Enabled. An alarm is triggered at output currents above 150%
of drive rated current.
Default: 0
Range: 0, 1
L8-93
(073C)
LSo Detection Time at
Low Speed
LSO Det Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
Sets the amount of time until baseblock is executed after detecting
pull-out at low speed.
Default: 1.0 s
Min.: 0.0
Max.: 10.0
L8-94
(073D)
LSo Detection Level at
Low Speed
LSO Det Level
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
Determines the detection level of pull-out at low speed.
Default: 3%
Min.: 0
Max.: 10
L8-95
(073F)
Average LSo Frequency
at Low Speed
Num of LSO Avg
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
AOLV/PM
Sets the average number of times pull-out can occur at low speed.
Default: 10
times
Min.: 1
Max.: 50
<1> Default setting is determined by parameters C6-01, Drive Duty Selection, and o2-04, Drive Model Selection.
<2> Default setting is determined by parameter o2-04, Drive Model Selection.
<3> Default setting is determined by parameters A1-02, Control Method Selection, and o2-04, Drive Model Selection.
<4> 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
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV/PM
V/f w PG
OLV
CLV/PM
CLV
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV/PM
V/f w PG
OLV
CLV/PM
CLV
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
All Modes
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
<1> Available in drive software versions PRG: 1015 and later.
B.10 L: Protection Function
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
557
B
Parameter List
Summary of Contents for U1000 iQpump Drive
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