YASKAWA iQpump1000 - L7: Torque Limit; L8: Drive Protection

No.
(Addr.
Hex)
Name LCD Display Description Values Page
L6-14
(062F)
Motor Underload
Protection Level at
Minimum Frequency
Underload Level
Sets the UL6 detection level at minimum frequency by
percentage of drive rated current.
Default: 15%
Min.: 0
Max.: 300
–
u
L7: Torque Limit
No.
(Addr.
Hex)
Name LCD Display Description Values Page
L7-01
(04A7)
Forward Torque Limit Torq Limit Fwd
OLVOLVOLVOLV
Sets the torque limit value as a percentage of the motor rated
torque. Four individual quadrants can be set.
L7-01
L7-03
L7-02
L7-04
Output Torque
Positive Torque
REV
Negative Torque
FWD
Motor
r/min
Regeneration
Regeneration
Default: 200%
Min.: 0
Max.: 300
–
L7-02
(04A8)
Reverse Torque Limit Torq Limit Rev
Default: 200%
Min.: 0
Max.: 300
–
L7-03
(04A9)
Forward Regenerative
Torque Limit
Torq Lmt Fwd Rgn
Default: 200%
Min.: 0
Max.: 300
–
L7-04
(04AA)
Reverse Regenerative
Torque Limit
Torq Lmt Rev Rgn
Default: 200%
Min.: 0
Max.: 300
–
L7-06
(04AC)
Torque Limit Integral
Time Constant
Trq Lim I Time
OLVOLVOLVOLV
Sets the integral time constant for the torque limit.
Default: 200 ms
Min: 5
Max: 10000
–
L7-07
(04C9)
Torque Limit Control
Method Selection
during Accel/Decel
Trq Lim d AccDec
0: P-ctrl @ Acc/Dec
1: I-ctrl @ Acc/Dec
OLVOLVOLVOLV
0: Proportional control (changes to integral control at constant
speed). Use this setting when acceleration to the desired speed
should take precedence over the torque limit.
1: Integral control. Set L7-07 to 1 if the torque limit should take
precedence.
Default: 0
Range: 0, 1
–
u
L8: Drive Protection
No.
(Addr.
Hex)
Name LCD Display Description Values Page
L8-01
(04AD)
Internal Dynamic
Braking Resistor
Protection Selection
(ERF type)
DB Resistor Prot
0: Not Provided
1: Provided
0: Resistor overheat protection disabled
1: Resistor overheat protection enabled
Default: 0
Range: 0, 1
–
L8-02
(04AE)
Overheat Alarm Level OH Pre-Alarm Lvl
An overheat alarm occurs when heatsink temperature exceeds
the L8-02 level.
Default:
<1>
Min.: 50 °C
Max.: 150 °C
–
L8-03
(04AF)
Overheat Pre-Alarm
Operation Selection
OH Pre-Alarm Sel
0: Ramp to stop
1: Coast to stop
2: Fast-Stop
3: Alarm only
4: Run@L8-19 Rate
0: Ramp to stop. A fault is triggered.
1: Coast to stop. A fault is triggered.
2: Fast Stop. Decelerate to stop using the deceleration time in
C1-09. A fault is triggered.
3: Continue operation. An alarm is triggered.
4: Continue operation at reduced speed as set in L8-19.
Default: 3
Range: 0 to 4
–
L8-05
(04B1)
Input Phase Loss
Protection Selection
Inp Ph Loss Det
0: Disabled
1: Enabled
Selects the detection of input current phase loss, power supply
voltage imbalance, or main circuit electrolytic capacitor
deterioration.
0: Disabled
1: Enabled
Default: 1
Range: 0, 1
–
L8-07
(04B3)
Output Phase Loss
Protection Selection
Outp Ph Loss Det
0: Disabled
1: 1PH Loss Det
2: 2/3PH Loss Det
0: Disabled
1: Enabled (triggered by a single phase loss)
2: Enabled (triggered when two phases are lost)
Default: 1
Range: 0 to 2
–
L8-09
(04B5)
Output Ground Fault
Detection Selection
Grnd Flt Det Sel
0: Disabled
1: Enabled
0: Disabled
1: Enabled
Default: 1
Range: 0, 1
–
B.8 L: Protection Function
294
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide