L9: Drive Protection 2 - YASKAWA U1000 Technical Manual

No.
(Addr. Name
Hex)
L8-41 High Current Alarm
(04F2) Selection
L8-93 LSo Detection Time at
(073C) Low Speed
L8-94 LSo Detection Level at
(073D) Low Speed
L8-95 Average LSo Frequency
(073F) at Low Speed
<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.
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L9: Drive Protection 2

No.
(Addr. Name
Hex)
Carrier Frequency
L9-03
Reduction Level
(0819)
Selection
L9-12
SoH Alarm Selection
(0B28)
during bb
<1>
<1> Available in drive software versions PRG: 1015 and later.
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
LCD Display
All Modes
High Cur Alm Sel
0: Disabled
0: Disabled
1: Enabled. An alarm is triggered at output currents above 150%
1: Enabled
of drive rated current.
V/f V/f
OLV/PM OLV/PM
LSO Det Time
Sets the amount of time until baseblock is executed after detecting
pull-out at low speed.
V/f V/f
LSO Det Level
OLV/PM OLV/PM
Determines the detection level of pull-out at low speed.
V/f V/f
Num of LSO Avg
OLV/PM OLV/PM
Sets the average number of times pull-out can occur at low speed.
LCD Display
V/f V/f V/f V/f
OLV/PM OLV/PM OLV/PM OLV/PM
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.
Fc ReductLvl Sel
There is normally no need to change this parameter from the
0: Disabled
default value.
1: Enabled
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.
All Modes
SoH ALM Sel
Sets the SoH (Snubber Discharge Resistor Overheat) alarm to
0: Fault
output a fault or a minor fault during baseblock (bb).
1: Alarm
0: Outputs a fault for an SoH alarm during baseblock (bb).
1: Outputs a minor fault for an SoH alarm during baseblock (bb).
Description
V/f w PG V/f w PG OLV OLV CLV CLV
AOLV/PM AOLV/PM AOLV/PM AOLV/PM CLV/PM CLV/PM
V/f w PG V/f w PG OLV OLV CLV CLV
AOLV/PM AOLV/PM AOLV/PM AOLV/PM CLV/PM CLV/PM
V/f w PG V/f w PG OLV OLV CLV CLV
AOLV/PM AOLV/PM AOLV/PM AOLV/PM CLV/PM CLV/PM
Description
V/f w PG V/f w PG V/f w PG V/f w PG OLV OLV OLV OLV CLV CLV CLV CLV
AOLV/PM AOLV/PM CLV/PM CLV/PM CLV/PM CLV/PM
B.10 L: Protection Function
Values
Default: 0
Range: 0, 1
Default: 1.0 s
Min.: 0.0
Max.: 10.0
Default: 3%
Min.: 0
Max.: 10
Default: 10
times
Min.: 1
Max.: 50
Values
Default: 0
Range: 0, 1
Default: 0
Range: 0, 1
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