L5: Fault Restart - YASKAWA CIPR-GA50C series Technical Manual

12.9 L: Protection Functions
Setting Value
15
• When you use these functions for MEMOBUS monitor data:
Register No.
002CH
004BH
• When you use these functions for monitor parameters:
No.
(Hex.)
U1-12
(004B)
◆

L5: Fault Restart

The Auto Restart function tries to keep machines operating when the drive detects a transient fault.
The drive can do a self-diagnostic check and continue the operation after a fault. If the cause of the fault goes
away, the drive does speed search and restarts. It will not stop and the drive will not record a fault history. Use L5-
02 [Fault Contact at Restart Select] to select the operation of fault relay signals during Auto Restart operation.
Sets if the drive will do Auto Restart and the number of times the drive will try to do Auto Restart in a set time. If
the number of Auto Restart tries is more than the set value during the set time, drive output shuts off and operation
stops. If this happens, remove the cause of the fault and manually restart the drive.
WARNING! Sudden Movement Hazard. Do not use the fault restart function in hoist or lifting applications. Failure to obey can
cause death or serious injury.
The drive can do Auto Restart when these faults occur:
Note:
You can disable Auto Restart for faults if you must not restart the machine after the fault.
Fault
GF Ground Fault
LF Output Phase Loss
oC Overcurrent
oH1 Heatsink Overheat
oL1 Motor Overload
oL2 Drive Overload
oL3 Overtorque Detection 1
oL4 Overtorque Detection 2
*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].
692
Function
Frequency Detection 3
Drive Status 2
Speed agreement
bit2
1: During agreement
User-defined speed agreement
bit3
1: During agreement
Frequency Detection 1
bit4
1: Output frequency ≤ L4-01
Frequency Detection 2
bit5
1: Output frequency ≥ L4-01
U1-12 [Drive Status]
bit4 1: During speed agreement
Drive Status
Table 12.69 List of Faults during which Auto Restart is Available
Parameters to Disable
Name
Auto Restart
L5-08
-
-
L5-08
L5-07
L5-07
L5-07
L5-07
Setting Value
16
Description
Name
bit 4: During speed agreement
Fault
ov Overvoltage
PF Input Phase Loss
rH Braking Resistor Overheat
rr Dynamic Braking
Transistor Fault
STPo Motor Step-Out Detected
Uv1 DC Bus Undervoltage
YASKAWA SIEPC71061753A GA500 Technical Manual
Function
Frequency Detection 4
Description
Parameters to Disable
Name
Auto Restart
L5-08
-
-
-
-
*1
L5-08