YASKAWA iQpump1000 User Manual page 394

B.9 L: Protection Function
u
L7: Torque Limit
No.
(Addr. Name
Hex)
L7-01
Forward Torque Limit
(04A7)
L7-02
Reverse Torque Limit
(04A8)
L7-03 Forward Regenerative
(04A9) Torque Limit
L7-04 Reverse Regenerative
(04AA) Torque Limit
L7-06 Torque Limit Integral
(04AC) Time Constant
Torque Limit Control
L7-07
Method Selection
(04C9)
during Accel/Decel
L7-16 Torque Limit Process at
(044D) Start
u
L8: Drive Protection
No.
(Addr. Name
Hex)
Internal Dynamic
L8-01 Braking Resistor
(04AD) Protection Selection
(ERF type)
L8-02
Overheat Alarm Level
(04AE)
L8-03 Overheat Pre-Alarm
(04AF) Operation Selection
L8-05 Input Phase Loss
(04B1) Protection Selection
L8-07 Output Phase Loss
(04B3) Protection Selection
L8-09 Output Ground Fault
(04B5) Detection Selection
L8-10 Heatsink Cooling Fan
(04B6) Operation Selection
394
LCD Display
OLV OLV OLV OLV
Torq Limit Fwd
Sets the torque limit value as a percentage of the motor rated
torque. Four individual quadrants can be set.
Torq Limit Rev
Torq Lmt Fwd Rgn
Torq Lmt Rev Rgn
OLV OLV OLV OLV
Trq Lim I Time
Sets the integral time constant for the torque limit.
OLV OLV OLV OLV
0: Proportional control (changes to integral control at constant
Trq Lim d AccDec
speed). Use this setting when acceleration to the desired speed
0: P-ctrl @ Acc/Dec
should take precedence over the torque limit.
1: I-ctrl @ Acc/Dec
1: Integral control. Set L7-07 to 1 if the torque limit should take
precedence.
TLim DlyTime Sel OLV OLV OLV OLV
0: Disabled
0: Disabled
1: Enabled
1: Enabled
LCD Display
0: Resistor overheat protection disabled
DB Resistor Prot
1: Resistor overheat protection enabled
0: Not Provided
Note:
1: Provided
An overheat alarm occurs when heatsink temperature exceeds
the L8-02 level.
OH Pre-Alarm Lvl
OH Pre-Alarm Sel 0: Ramp to stop. A fault is triggered.
0: Ramp to Stop 1: Coast to stop. A fault is triggered.
1: Coast to Stop 2: Fast Stop. Decelerate to stop using the deceleration time in
2: Fast-Stop C1-09. A fault is triggered.
3: Alarm Only 3: Continue operation. An alarm is triggered.
4: Run@L8-19 Rate 4: Continue operation at reduced speed as set in L8-19.
Selects the detection of input current phase loss, power supply
Inp Ph Loss Det voltage imbalance, or main circuit electrolytic capacitor
0: Disabled deterioration.
1: Enabled 0: Disabled
1: Enabled
Outp Ph Loss Det 0: Disabled
0: Disabled 1: Enabled (triggered by a single phase loss)
1: 1PH Loss Det 2: Enabled (triggered when two phases are lost)
2: 2/3PH Loss Det
Grnd Flt Det Sel 0: Disabled
0: Disabled 1: Enabled
1: Enabled
0: During run only. Fan operates only during run for L8-11
Fan On/Off Sel
seconds after stop.
0: Dur Run (OffDly)
1: Fan always on. Cooling fan operates whenever the drive is
1: Always On
powered up.
Description
Output Torque
Positive Torque
L7-01
L7-04
Regeneration
REV
Regeneration
L7-03
L7-02
Negative Torque
Description
This parameter is not available in models 4A0930
and 4A1200.
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
Values
Default: 200%
Min.: 0
Max.: 300
Default: 200%
Min.: 0
Max.: 300
Motor
Default: 200%
r/min
Min.: 0
FWD
Max.: 300
Default: 200%
Min.: 0
Max.: 300
Default: 200 ms
Min: 5
Max: 10000
Default: 0
Range: 0, 1
Default: 1
Range: 0, 1
Values
Default: 0
Range: 0, 1
<1>
Default:
Min.: 50 °C
Max.: 150 °C
Default: 3
Range: 0 to 4
Default: 1
Range: 0, 1
Default: 1
Range: 0 to 2
Default: 1
Range: 0, 1
Default: 0
Range: 0, 1
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