YASKAWA HV600 Manual page 387

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L8-29: Output Unbalance Detection Sel
No.
Name
(Hex.)
L8-29 Output Unbalance Detection
Sel
(04DF)
This function prevents damage to PM motors. Current unbalance can heat a PM motor and demagnetize the magnets.
When the current is unbalanced, the drive will detect LF2 to stop the motor and prevent damage to the motor.
0 : Disabled
1 : Enabled
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L8-31: LF2 Detection Time
No.
Name
(Hex.)
L8-31 LF2 Detection Time
(04E1)
When the output current is unbalanced for longer than the time set in L8-31, the drive detects LF2.
Note:
• Set L8-29 = 1 [Output Unbalance Detection Sel = Enabled] to enable L8-31.
• If the drive incorrectly detects LF2, increase L8-31 in 5-unit increments.
• The keypad shows L8-31 when E9-01 = 1 [Motor Type Selection = Permanent Magnet (PM)] in EZ Vector Control.
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L8-35: Installation Method Selection
No.
Name
(Hex.)
L8-35 Installation Method
Selection
(04EC)
Note:
• Parameter A1-03 [Initialize Parameters] does not initialize this parameter.
• This parameter is set to the correct value when the drive is shipped. Change the value only in these conditions:
–When you do a Side-by-Side installation
–When you install a UL Type 1 kit on an IP20/UL Open Type drive to convert the drive to an IP20/UL Type 1
–When you convert an IP20/UL Type 1 drive to IP20/UL Open Type
–When you install models 2011 to 2169 and 4005 to 4156 with the heatsink external to the enclosure
• The drive will detect an oPE02 [Parameter Range Setting Error] in these conditions:
–If you set L8-12 = 60 °C and L8-35 = 1 or 3 on models 2011 to 2114 and 4005 to 4124
–If you set L8-35 = 1 or 3 on models 2143 to 2273 and 4156 to 4302
The drive automatically adjusts the overload protection detection level to the best value as specified by the setting
value.
0 : IP20/UL Open Type
Use this setting to install an IP20/UL Open Type drive.
Make sure that there is 60 mm (2.4 in) minimum of space between drives or between the drive and side of the
enclosure panel.
1 : Side-by-Side Mounting
Use this setting to install more than one drive Side-by-Side.
Make sure that there is 2 mm (0.08 in) minimum of space between drives.
2 : IP20/UL Type 1
Use this setting to install an IP20/UL Type 1 drive.
3 : IP55/UL Type 12
Use this setting to install an IP55/UL Type 12 drive.
YASKAWA TOEPYAIHV6002A HV600 Drive Programming
V/f OLV/PM EZOLV OLV/PM
Sets the function to detect LF2.
V/f OLV/PM EZOLV OLV/PM
Sets the LF2 [Output Current Imbalance] detection time.
V/f OLV/PM EZOLV OLV/PM
Sets the type of drive installation.
Description
Description
Description
2.9 L: Protection Functions
Default
(Range)
1
(0, 1)
Default
(Range)
3
(1 – 100)
Default
(Range)
Determined by the drive
(0 - 3)
2
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