1.11 L: Protection Functions
88 YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
No.
(Hex.)
Name Description
Default
(Range)
L6-10
(046A)
Mech Fatigue Detect Delay
Time
Sets the time for mechanical deterioration detection.
0.1 s
(0.0 - 10.0 s)
L6-11
(046B)
Mech Fatigue Hold Off Time
Sets the time that the drive will start mechanical deterioration detection triggered by the cumulative
operation time of the drive.
0 h
(0 - 65535 h)
◆ L7: Torque Limit
No.
(Hex.)
Name Description
Default
(Range)
L7-01
(04A7)
RUN
Forward Torque Limit
Sets the torque limit value for forward motoring as a percentage, where motor rated torque is the
100% value.
200%
(0 - 300%)
L7-02
(04A8)
RUN
Reverse Torque Limit
Sets the torque limit value for reversed motoring as a percentage, where motor rated torque is the
100% value.
200%
(0 - 300%)
L7-03
(04A9)
RUN
Forward Regenerative Trq
Limit
Sets the torque limit value for forward regenerative conditions as a percentage of the motor rated
torque.
200%
(0 - 300%)
L7-04
(04AA)
RUN
Reverse Regenerative Trq
Limit
Sets the torque limit value for reversed regenerative conditions as a percentage of the motor rated
torque.
200%
(0 - 300%)
L7-06
(04AC)
Torque Limit Integral Time
Sets the integral time constant for the torque limit function.
200 ms
(5 - 10000 ms)
L7-07
(04C9)
Torque Limit during Accel/
Decel
Sets the torque limit function during acceleration and deceleration.
0 : Proportional only
1 : Proportional & Integral control
0
(0, 1)
L7-16
(044D)
Torque Limit Process at Start
Assigns a time filter to allow the torque limit to build at start.
0 : Disabled
1 : Enabled
1
(0, 1)
◆ L8: Drive Protection
No.
(Hex.)
Name Description
Default
(Range)
L8-01
(04AD)
3% ERF DB Resistor
Protection
Sets the function to enable braking resistor protection with a Yaskawa ERF series braking resistor
(3% ED) installed on the heatsink.
0 : No
1 : Yes
0
(0, 1)
L8-02
(04AE)
Overheat Alarm Level
Sets the oH detection level in temperature.
Determined by o2-04, C6-01
(50 - 150 °C)
L8-03
(04AF)
Overheat Pre-Alarm
Selection
Sets operation after the drive 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)
3
(0 - 4)
L8-05
(04B1)
Input Phase Loss Protection
Sel
Sets the function to enable and disable input phase loss detection.
0 : Disabled
1 : Enabled
Determined by o2-04
(Determined by o2-04)
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