YASKAWA LA500 - Page 260

11.9 L: Protection Functions
260 YASKAWA SIEPYEULA5001C LA500 Technical Manual
No.
(Hex.)
Name Description
Default
(Range)
Ref.
L8-41
(04F2)
Expert
High Current Alarm
Selection
Sets the function to cause an HCA [Current Alarm] when the output current is more
than 150% of the drive rated current.
0 : No
1 : Yes
0
(0, 1)
343
L8-42
(04F3)
Input Phase Loss
Detection Time 2
Sets the amount of time that an Input Phase Loss condition has to be present before a
fault is triggered.
2 s 343
L8-43
(04F4)
High Current Alarm
Selection
Sets the amount of time that an Output Phase Loss condition has to be present before a
fault is triggered.
0.5 s
(0.0 - 2.0 s)
343
L8-62
(04D8)
Input Phase Loss
Detection
Sets stopping method when an input phase loss fault (PF) occurs.
0 : Ramp to stop
1 : Coast to stop
2 : Stop (Use C1-09)
3 : Alarm Only
0
(0 - 3)
343
L8-65
(04DB)
PF Detection Minimum
Current Level
Percentage of rated current. Used for standard method and dv/dt method. The parameter
is only active during run, and is not evaluated for dv/dt detection method at start.
10%
(0 - 100%)
344
L8-70
(04E0)
PF dv/dt Level 2100 V/sec
(0 - 10,000 V/sec)
344
L8-79
(04E9)
dv/dt Tune Factor 130%
(99 - 150%)
344
L8-88
(04F2)
Safe Disable Operation
Mode
Determines the operation performed by the drive when the Safe Disable input is
activated.
0 : Mode 0
1 : Mode 1
0
(0, 1)
343
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV
V/f
OLV