L7: Torque Limit; L8: Drive Protection - Omron Q2A Series Technical Manual

11.9 L: PROTECTION
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L7: TORQUE LIMIT

No.
Name
(Hex.)
L7-01 FW Torque Limit
(04A7)
RUN
L7-02 RV Torque Limit
(04A8)
RUN
L7-03 FW Reg. TrqLimit
(04A9)
RUN
L7-04 RV Reg. TrqLimit
(04AA)
RUN
L7-06 TrqLimit Integral Time
(04AC)
L7-07 TrqLimit@Acc/Decel
(04C9)
L7-16 TrqLimit@Start
(044D)
L7-35 LowF Reg.TrqLimit Lvl
(1B57)
Expert
L7-36 Reg.TrqLimit Derate
Freq
(1B58)
Expert
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L8: DRIVE PROTECTION

No.
Name
(Hex.)
L8-01 3%ERF DBR Protection
(04AD)
L8-02 Overheat Alm Level
(04AE)
L8-03 Overheat Pre-Alarm
Selection
(04AF)
L8-05 In PhaseLoss Selection
(04B1)
L8-07 Out PhaseLoss Selection
(04B3)
454
Description
V/f CL-V/f OLV CLV AOLV
Sets the torque limit value for forward motoring as a percentage, where motor rated
torque is the 100% value.
V/f CL-V/f OLV CLV AOLV
Sets the torque limit value for reversed motoring as a percentage, where motor rated
torque is the 100% value.
V/f CL-V/f OLV CLV AOLV
Sets the torque limit value for forward regenerative conditions as a percentage of the
motor rated torque.
V/f CL-V/f OLV CLV AOLV
Sets the torque limit value for reversed regenerative conditions as a percentage of the
motor rated torque.
V/f CL-V/f OLV CLV AOLV
Sets the integral time constant for the torque limit function.
V/f CL-V/f OLV CLV AOLV
Sets the torque limit function during acceleration and deceleration.
1 : P-ctrl@Ac/Dec
2 : I-ctrl@Ac/Dec
V/f CL-V/f OLV CLV AOLV
Assigns a time filter to allow the torque limit to build at start.
0 : Disabled
1 : Enabled
V/f CL-V/f OLV CLV AOLV
Sets the torque limit used during low-speed regeneration. Usually it is not necessary to
change this setting.
V/f CL-V/f OLV CLV AOLV
Sets the frequency width at which L7-35 [LowF Reg.TrqLimit Lvl] operates.
Description
V/f CL-V/f OLV CLV AOLV
Sets the function to enable braking resistor protection with a Yaskawa ERF series
braking resistor (3% ED) installed on the heatsink.
0 : Disabled
1 : Enabled
V/f CL-V/f OLV CLV AOLV
Sets the oH detection level.
V/f CL-V/f OLV CLV AOLV
Sets operation after the drive detects an oH alarm.
0 : Ramp->Stop
1 : Coast->Stop
2 : Fast Stop (C1-09)
3 : Alarm Only
4 : Run@L8-19 Rate
V/f CL-V/f OLV CLV AOLV
Sets the function to enable and disable input phase loss detection.
0 : Disabled
1 : Enabled
V/f CL-V/f OLV CLV AOLV
Sets the function to enable and disable output phase loss detection. The drive starts
output phase loss detection when the output current decreases to less than 5% of the
drive rated current.
Note:
The drive can incorrectly start output phase loss detection in these conditions:
• The motor rated current is very small compared to the drive rating.
• The drive is operating a PM motor with a small load.
0 : Disabled
1 : 1PH Loss Det
2 : 2/3PH Loss Det
OLV/PM OLV/PM AOLV/PM CLV/PM EZOLV
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
Default
Ref.
(Range)
200% 771
(0 - 300%)
200% 772
(0 - 300%)
200% 772
(0 - 300%)
200% 772
(0 - 300%)
200 ms 772
(5 - 10000 ms)
1 773
(1, 2)
1 773
(0, 1)
50.00% 773
(0.00 - 200.00%)
6.00 Hz 773
(0.00 - 30.00 Hz)
Default
Ref.
(Range)
0 774
(0, 1)
Determined by o2-04 774
and C6-01
(50 - 150 °C)
3 774
(0 - 4)
1 775
(0, 1)
0 775
(0 - 2)