2.9 L: Protection Functions
464 YASKAWA TOEPYAIGA8002B GA800 Drive Programming
Note:
You can disable Auto Restart for faults if you must not restart the machine after the fault.
Table 2.69 List of Faults during which Auto Restart is Available
Fault Name
Parameters to Disable
Auto Restart
GF Ground Fault L5-08
LF Output Phase Loss -
oC Overcurrent -
oH1 Heatsink Overheat L5-08
oL1 Motor Overload L5-07
oL2 Drive Overload L5-07
oL3 Overtorque Detection 1 L5-07
oL4 Overtorque Detection 2 L5-07
Fault Name
Parameters to Disable
Auto Restart
ov Overvoltage L5-08
PF Input Phase Loss -
rH Braking Resistor Overheat -
rr Dynamic Braking Transistor
Fault
-
STPo Motor Step-Out Detected -
Uv1 DC Bus Undervoltage
*1
L5-08
*1 Uv1 is the target for the auto restart process when L2-01 = 1, 2, 3, or 4 [Power Loss Ride Through Select = Enabled for L2-02 Time,
Enabled while CPU Power Active, Kinetic Energy Backup: L2-02, or Kinetic Energy Backup: CPU Power].
■ L5-01: Number of Auto-Restart Attempts
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)
The drive resets the number of Auto Restart attempts to 0 in these conditions:
• The drive operates correctly for 10 minutes after a fault restart.
• When you manually clear a fault after the drive triggers protective functions.
• When you re-energize the drive.
■ L5-02: Fault Contact at Restart Select
No.
(Hex.)
Name Description
Default
(Range)
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
(0, 1)
0 : Active Only when Not Restarting
1 : Always Active
■ L5-03: Continuous Method Max Restart T
No.
(Hex.)
Name Description
Default
(Range)
L5-03
(04A0)
Continuous Method Max
Restart T
Sets the time for which the drive will try to restart. If the drive cannot restart inthe time set in L5-03,
the drive detects a fault. This is available when L5-05 = 0 [Auto-Restart Method = Continuous/
Immediate Attempts].
10.0 s
(0.5 - 180.0 s)
■ L5-04: Interval Method Restart Time
No.
(Hex.)
Name Description
Default
(Range)
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)
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