Parameter List
3
3.11 L: Protection Functions
YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING 149
No.
(Hex.)
Name Description
Default
(Range)
L4-05
(049D)
Fref Loss Detection
Selection
Sets the operation when the drive detects a loss of frequency reference.
0 : Stop
1 : Run at (L4-06 x Last Reference)
0
(0, 1)
L4-06
(04C2)
Frequency Reference @Loss
of Ref
Sets the frequency reference as a percentage to continue drive operation after it detects a frequency
reference loss. The value is a percentage of the frequency reference before the drive detected the loss.
80.0%
(0.0 - 100.0%)
L4-07
(0470)
Speed Agree Detection
Selection
Sets the condition that activates speed detection.
0 : No Detection during Baseblock
1 : Detection Always Enabled
0
(0, 1)
L4-08
(047F)
Speed Agree Source
Selection
Sets the drive to use the soft starter output frequency or the motor speed (estimation value) for speed
detection.
0 : Softstarter Output (Reference)
1 : Motor Speed (Actual Speed)
0
(0, 1)
◆ L5: Fault Restart
No.
(Hex.)
Name Description
Default
(Range)
L5-01
(049E)
Number of Auto-Restart
Attempts
Sets the number of times that the drive will try to restart. 0
(0 - 10 times)
L5-02
(049F)
Fault Contact at Restart
Select
Sets the function that sends signals to the MFDO terminal set for Fault [H2-xx = E] while the drive
is automatically restarting.
0 : Active Only when Not Restarting
1 : Always Active
0
(0, 1)
L5-04
(046C)
Interval Method Restart
Time
Sets the time interval between each Auto Restart attempt. This function is enabled when L5-05 = 1
[Auto Restart Operation Selection = Use L5-04 Time].
10.0 s
(0.5 - 600.0 s)
L5-05
(0467)
Auto-Restart Method Sets the count method for the Auto Restart operation.
0 : Continuous/Immediate Attempts
1 : Interval/Attempt after L5-04 sec
0
(0, 1)