Parameter List
9
9.11 L: Protection Functions
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference 637
â—† L6: Torque Detection
No.
(Hex.)
Name Description
Default
(Range)
Ref.
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 : Disabled
1 : oL @ Speed Agree - Alarm only
2 : oL @ RUN - Alarm only
3 : oL @ Speed Agree - Fault
4 : oL @ RUN - Fault
5 : UL @ Speed Agree - Alarm only
6 : UL @ RUN - Alarm only
7 : UL @ Speed Agree - Fault
8 : UL @ RUN - Fault
9 : UL6 @ Speed Agree - Alarm only
10 : UL6 @ RUN - Alarm only
11 : UL6 @ Speed Agree - Fault
12 : UL6 @ RUN - Fault
0
(0 - 12)
338
L6-02
(04A2)
Torque Detection Level 1 Sets the detection level for Overtorque/Undertorque Detection 1. In V/f control, drive rated
output current = 100% value. In vector control, motor rated torque = 100% value.
15%
(0 - 300%)
339
L6-03
(04A3)
Torque Detection Time 1 Sets the detection time for Overtorque/Undertorque Detection 1. 10.0 s
(0.0 - 10.0 s)
339
L6-04
(04A4)
Torque Detection
Selection 2
Sets the speed range that detects overtorque and undertorque and the operation of drives
(operation status) after detection.
0 : Disabled
1 : oL @ Speed Agree - Alarm only
2 : oL @ RUN - Alarm only
3 : oL @ Speed Agree - Fault
4 : oL @ RUN - Fault
5 : UL @ Speed Agree - Alarm only
6 : UL @ RUN - Alarm only
7 : UL @ Speed Agree - Fault
8 : UL @ RUN - Fault
0
(0 - 8)
340
L6-05
(04A5)
Torque Detection Level 2 Sets the detection level for Overtorque/Undertorque Detection 2. In V/f control, drive rated
output current = 100% value. In vector control, motor rated torque = 100% value.
150%
(0 - 300%)
340
L6-06
(04A6)
Torque Detection Time 2 Sets the detection time for Overtorque/Undertorque Detection 2. 0.1 s
(0.0 - 10.0 s)
340
L6-13
(062E)
Motor Underload Curve
Select
Sets the motor underload protection (UL6 [Undertorque Detection 6]) based on motor load
and sets the level of L6-02 [Torque Detection Level 1] to refer to Fbase or Fmax.
0 : Base Frequency Enable
1 : Max Frequency Enable
0
(0, 1)
341
L6-14
(062F)
Motor Underload Level
@ Min Freq
Sets the UL6 [Undertorque Detection 6] detection level at minimum frequency by
percentage of drive rated current.
15%
(0 - 300%)
341
â—† L8: Drive Protection
No.
(Hex.)
Name Description
Default
(Range)
Ref.
L8-02
(04AE)
Overheat Alarm Level Sets the oH detection level temperature. Determined by o2-04
(50 - 150 °C)
341
L8-03
(04AF)
Overheat Pre-Alarm
Selection
Sets drive operation if it detects an oH alarm.
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast Stop (Use C1-09)
3 : Alarm Only
4 : Operate at Reduced Speed (L8-19)
4
(0 - 4)
342
L8-05
(04B1)
Input Phase Loss
Protection Sel
Sets the function to enable and disable input phase loss detection.
0 : Disable
1 : Enabled
1
(0, 1)
343
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