IMPULSE
®
•G+ & VG+ Series 4 Technical Manual
November 2020
Page 174
Table 5-97: Mechanical Fatigue Selection Description
Table 5-98: Mechanical Fatigue Selection Description
Settings Description
0 Mechanical Weakening Detection disabled (factory default).
1 Continue running (alarm only). Detected when the speed (signed) is greater than L06-09.
2 Continue running (alarm only). Detected when the speed (not signed) is greater than L06-09.
3 Interrupt VFD output (fault). Detected when the speed (signed) is greater than L06-09.
4 Interrupt VFD output (fault). Detected when the speed (not signed) is greater than L06-09.
5 Continue running (alarm only). Detected when the speed (signed) is less than L06-09.
6 Continue running (alarm only). Detected when the speed (not signed) is less than L06-09.
7 Interrupt VFD output (fault). Detected when the speed (signed) is less than L06-09.
8 Interrupt VFD output (fault). Detected when the speed (not signed) is less than L06-09.
Parameter Display Function Range Default
L06-09 MechFat Det Spd Sets the speed that triggers Mechanical
Weakening Detection. When L06-08 is set for
an unsigned value, the absolute value is
used if the setting is negative.
-110.0–110.0% 110.0
L06-10 MechFat Det Time Sets the time mechanical weakening has to
be detected before an alarm or fault is
triggered.
0.0–10.0 sec 0.1
L06-11 MechFat Det Hour Sets the operation time (U01-04) required
before Mechanical Weakening Detection is
active.
0–65535 0
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