B.3 Parameter Table
498 YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
L5: Fault Restart
L6: Torque Detection
No. (Addr.) Name Description Setting Page
L5-01
(49EH)
Number of Auto Restart Attempts
Sets the number of times the drive may attempt to restart after the following faults occur: GF,
LF, oC, oH1, ov, PF, rH, rr, oL1, oL2, oL3, oL4, STo, Uv1.
Default: 0
Min: 0
Max: 10
290
L5-02
(49FH)
Auto Restart Fault Output
Operation Selection 0: Fault output not active.
1: Fault output active during restart attempt.
Default: 0
Min: 0
Max: 1
290
L5-04
(46CH)
Fault Reset Interval Time
Sets the amount of time to wait between performing fault restarts.
Default: 10.0 s
Min: 0.5 s
Max: 600.0 s
290
L5-05
(467H)
Fault Reset Operation Selection
0: Continuously attempt to restart while incrementing restart counter only at a successful
restarts (same as F7 and G7).
1: Attempt to restart with the interval time set in L5-04 and increment the restart counter with
each attempt (same V7).
Default: 0
Min: 0
Max: 1
291
No. (Addr.) Name Description Setting Page
L6-01
(4A1H)
Torque Detection Selection 1
0: Disabled
1: oL3 detection only active during speed agree, operation continues after detection
2: oL3 detection always active during run, operation continues after detection
3: oL3 detection only active during speed agree, output shuts down on an oL3 fault
4: oL3 detection always active during run, output shuts down on an oL3 fault
5: UL3 detection only active during speed agree, operation continues after detection
6: UL3 detection always active during run, operation continues after detection
7: UL3 detection only active during speed agree, output shuts down on an oL3 fault
8: UL3 detection always active during run, output shuts down on an oL3 fault
Default: 0
Min: 0
Max: 8
292
L6-02
(4A2H)
Torque Detection Level 1
Sets the overtorque and undertorque detection level.
Default: 150%
Min: 0%
Max: 300%
292
L6-03
(4A3H)
Torque Detection Time 1
Sets the time an overtorque or undertorque condition must exist to trigger torque detection 1.
Default: 0.1 s
Min: 0.0 s
Max: 10.0 s
292
L6-04
(4A4H)
Torque Detection Selection 2
0: Disabled
1: oL4 detection only active during speed agree, operation continues after detection
2: oL4 detection always active during run, operation continues after detection
3: oL4 detection only active during speed agree, output shuts down on an oL4 fault
4: oL4 detection always active during run, output shuts down on an oL4 fault
5: UL4 detection only active during speed agree, operation continues after detection
6: UL4 detection always active during run, operation continues after detection
7: UL4 detection only active during speed agree, output shuts down on an oL4 fault
8: UL4 detection always active during run, output shuts down on an oL4 fault
Default: 0
Min: 0
Max: 8
292
L6-05
(4A5H)
Torque Detection Level 2
Sets the overtorque and undertorque detection level.
Default: 150%
Min: 0%
Max: 300%
292
L6-06
(4A6H)
Torque Detection Time 2
Sets the time an overtorque or undertorque condition must exist to trigger torque detection 2.
Default: 0.1 s
Min: 0.0 s
Max: 10.0 s
292
L6-08
(468H)
Mechanical Weakening Detection
Operation
This function can detect an overtorque or undertorque in a certain speed range as a result of
machine fatigue. It is triggered by a specified operation time and uses the oL1 detection settings
(L6-01 and L6-03)
0: M
echanical Weakening Detection disabled.
1: Continue running (alarm only). Detected when the speed (signed) is greater than L6-09.
2: Continue running (alarm only). Detected when the speed (not signed) is greater than L6-09.
3: Interrupt drive output (fault). Detected when the speed (signed) is greater than L6-09.
4: Interrupt drive output (fault). Detected when the speed (not signed) is greater than L6-09.
5: Continue running (alarm only). Detected when the speed (signed) is less than L6-09.
6: Continue running (alarm only). Detected when the speed (not signed) is less than L6-09.
7: Interrupt drive output (fault). Detected when the speed (signed) is less than L6-09.
8: Interrupt drive output (fault). Detected when the speed (not signed) is less than L6-09.
Default: 0
Min: 0
Max: 8
293
L6-09
(469H)
Mechanical Weakening Detection
Speed Level
Sets the speed that triggers Mechanical Weakening Detection. When L6-08 is set for an
unsigned value, the absolute value is used if the setting is negative.
Default: 110.0%
Min: -110.0%
Max: 110.0%
293
L6-10
(46AH)
Mechanical Weakening Detection
Time
Sets the time mechanical weakening has to be detected before an alarm or fault is triggered.
Default: 0.1 s
Min: 0.0 s
Max: 10.0 s
293
L6-11
(46BH)
Mechanical Weakening Detection
Start Time
Sets the operation time (U4-01) required before Mechanical Weakening Detection is active.
Default: 0 h
Min: 0 h
Max: 65535 h
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