YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
331
Note:
•
The Fault Restart method is limited to the interval time that the drive will use
L5-04 [Interval Method Restart Time]
.
•
When
L5-49 = 1 [Fault Retry Speed Search Select = Enabled]
, the drive will do a speed search when it resets and restarts after a fault.
•
The drive will force the output frequency to zero during the auto-restart interval time.
•
If you remove the Run (or HAND) command during the auto-restart interval time, the drive will immediately detect a fault and reset the
fault.
•
The
LOP [Loss of Prime]
fault uses
Y1-23 [Prime Loss Max Restart Time]
for Auto Restart time. The other faults use
L5-04
for Auto
Restart time.
•
When you enable Thrust or Pre-Charge Modes, the drive will operate them correctly
■
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
The drive will only activate fault output when the drive cancels the Auto Restart function.
When you remove the Run command during the time set in
L5-04 [Interval Method Restart Time]
, the drive will
cancel the Auto Restart function. At the same time, the drive will activate the fault output. Refer to
for
more information.
L5-04: Interval Method Restart Time
U1-02: Output Frequency
Figure 5.76 Time Chart for Early Cancellation of Auto-Restart Function
1 : Always Active
The drive always activates fault output.
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