No.
(Addr.
Hex)
Name LCD Display Description Values Page
L6-04
(04A4)
Torque Detection
Selection 2
Torq Det 2 Sel
0: Disabled
1: OL Alm at SpdAgr
2: OL Alm dur RUN
3: OL Flt at SpdAgr
4: OL Flt dur RUN
5: UL Alm at SpdAgr
6: UL Alm dur RUN
7: UL Flt at SpdAgr
8: UL Flt dur RUN
All Modes
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 a UL4 fault
8: UL4 detection always active during run, output shuts down
on a UL4 fault
Default: 0
Range: 0 to 8
324
L6-05
(04A5)
Torque Detection
Level 2
Torq Det 2 Lvl
All Modes
Sets the overtorque and undertorque detection level.
Default: 150%
Min.: 0
Max.: 300
325
L6-06
(04A6)
Torque Detection
Time 2
Torq Det 2 Time
All Modes
Sets the time an overtorque or undertorque condition must exist
to trigger torque detection 2.
Default: 0.1 s
Min.: 0.0
Max.: 10.0
325
L6-08
(0468)
Mechanical Weakening
Detection Operation
Mech Fatigue Sel
0: Disabled
1: Alm Spd>L6-09
2: Alm [Spd]>L6-09
3: Flt Spd>L6-09
4: Flt [Spd]>L6-09
5: Alm Spd<L6-09
6: Alm [Spd]<L6-09
7: Flt Spd<L6-09
8: Flt [Spd]<L6-09
All Modes
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 oL3/UL3 detection
settings (L6-01, L6-02, and L6-03).
0: Mechanical 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
Range: 0 to 8
325
L6-09
(0469)
Mechanical Weakening
Detection Speed Level
MechFat Det Spd
All Modes
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
326
L6-10
(046A)
Mechanical Weakening
Detection Time
MechFat Det Time
All Modes
Sets the time mechanical weakening has to be detected before
an alarm or fault is triggered.
Default: 0.1 s
Min.: 0.0
Max.: 10.0
326
L6-11
(046B)
Mechanical Weakening
Detection Start Time
MechFat Det Hour
All Modes
Sets the operation time (U4-01) required before Mechanical
Weakening Detection is active.
Default: 0 h
Min.: 0
Max.: 65535
326
B.10 L: Protection Function
554
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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