Yaskawa Z1000 AC Drive HVAC User Manual
Page 174
No.
Name
Setting Range
Default
L5-04
Fault Reset Interval Time
0.5 to 600.0 s
10.0 s
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L5-05: Fault Reset Operation Selection
No.
Name
Setting Range
Default
L5-05
Fault Reset Operation Selection
0, 1
1
Setting 0: Count Successful Restarts
The drive will continuously attempt to restart. If it restarts successfully, the restart counter is increased. This operation is
repeated each time a fault occurs until the counter reaches the value set to L5-01.
Setting 1: Count Restart Attempts
The drive will attempt to restart using the time interval set to parameter L5-04. A record is kept of the number of attempts to
restart to the drive, regardless of whether those attempts were successful. When the number of attempted restarts exceeds the
value set to L5-01, the drive stops attempting to restart.
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L6-13: Motor Underload Protection Selection
Sets Motor Underload Protection (UL6) based on motor load and determines whether the level of L6-02 refers to fbase or
fmax.
Selects the operation of underload detection UL6. Underload is detected when the output current falls below the underload
detection level defined by L6-14 and L2-02.
No.
Name
Setting Range
Default
L6-13
Motor Underload Protection Selection
0, 1
0
Setting 0: Fbase Motor Load Enabled
Setting 1: Fmax Base Motor Load Enabled
UL Detection Level
L6-02
(0 to 300%)
0
Fmin
Fbase
1/f
Fmax
Output
Frequency
L6-14
Motor Underload
Protection at Fmin
Figure 4.35 Motor Underload Protection
n
L6-14: Motor Underload Protection Level at Minimum Frequency
Sets the UL6 detection level at minimum frequency by percentage of drive rated current
No.
Name
Setting Range
Default
L6-14
Motor Underload Protection Level at Minimum Frequency
0 to 300%
15%
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L8-01: Internal Dynamic Braking Resistor Protection Selection (ERF type)
Selects the dynamic braking resistor protection when using an optional heatsink mounted braking resistor (ERF type, 3% ED).
4.13 Advanced Drive Setup Adjustments
174
YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual