Parameter Details
11
11.9 L: Protection Functions
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 971
Configuration Parameter Mechanical Deterioration Detection
Speed Range
Detection Criteria L6-08
Detection Level L6-09
Detection Time L6-10
Overtorque
Detection Criteria L6-01
Detection Level L6-02
Detection Time L6-03
■ L6-01: Torque Detection Selection 1
No.
(Hex.)
Name Description
Default
(Range)
L6-01
(04A1)
Torque Detection
Selection 1
Sets the speed range that detects overtorque and undertorque and the
operation of drives (operation status) after detection.
0
(0 - 8)
The drive detects overtorque if the motor current or output torque is more than the level set in L6-02 [Torque
Detection Level 1] for the length of time set in L6-03 [Torque Detection Time 1]. The drive detects undertorque if
the motor current or output torque is less than the level set in L6-02 for the length the time set in L6-03.
0 : Disabled
The drive will not detect overtorque or undertorque.
1 : oL @ Speed Agree - Alarm only
The drive detects overtorque when the output frequency aligns with the frequency reference. Detection does not
occur during acceleration/deceleration. The drive outputs an oL3 [Overtorque Detection 1] and operation
continues.
2 : oL @ RUN - Alarm only
When the Run command is enabled, the drive constantly detects overtorque. The drive outputs an oL3 and
operation continues.
3 : oL @ Speed Agree - Fault
The drive detects overtorque when the output frequency aligns with the frequency reference. Detection does not
occur during acceleration/deceleration. The drive outputs an oL3 [Overtorque Detection 1] and operation stops.
4 : oL @ RUN - Fault
When the Run command is enabled, the drive constantly detects overtorque. The drive outputs an oL3 and
operation stops.
5 : UL @ Speed Agree - Alarm only
The drive detects undertorque when the output frequency aligns with the frequency reference. Detection does not
occur during acceleration/deceleration. The drive outputs a UL3 [Undertorque Detection 1] and operation
continues.
6 : UL @ RUN - Alarm only
When the Run command is enabled, the drive constantly detects undertorque. The drive outputs a UL3 and
operation continues.
7 : UL @ Speed Agree - Fault
The drive detects undertorque when the output frequency aligns with the frequency reference. Detection does not
occur during acceleration/deceleration. The drive outputs a UL3 and operation stops.
8 : UL @ RUN - Fault
When the Run command is enabled, the drive constantly detects undertorque. The drive outputs a UL3 and
operation stops
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