YASKAWA CR700, Техническое руководство, Страница: 766 / 886

11.9 L: Protection Function
766 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
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L8-32: Cooling Fan Failure Selection
No.
(Hex.)
Name Description
Default
(Range)
L8-32
(04E2)
Cooling Fan Failure
Selection
Sets operation when the drive detects FAn [Internal Fan Fault] .
1
(0 - 4)
0 : Ramp to Stop
The drive ramps the motor to stop according to the deceleration time. Fault relay output terminal MA-MC will
turn ON, and MB-MC will turn OFF.
1 : Coast to Stop
The drive output shuts off and the motor coasts to stop. Fault relay output terminal MA-MC will turn ON, and
MB-MC will turn OFF.
2 : Fast Stop (Use C1-09)
The drive stops the motor using the deceleration time set in C1-09 [Fast Stop Time] . Fault relay output terminal
MA-MC will turn ON, and MB-MC will turn OFF.
3 : Alarm Only
FAn appears on the keypad, and the drive continues operating. The output terminal set for Alarm [H2-01 to H2-05
= 10] switches ON.
4 : Operate at Reduced Speed (L8-19)
The drive performs deceleration to the level set in L8-19 [Freq Reduction @ oH Pre-Alarm] and continues
operation. FAn flashes on the keypad. Refer to “ L8-03: Overheat Pre-Alarm Ope Selection ” for more information
on drive derating operation.
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L8-35: Installation Method Selection
No.
(Hex.)
Name Description
Default
(Range)
L8-35
(04EC)
Installation Method
Selection
Sets the type of drive installation.
Determined by the drive
(0 - 3)
Note:
• This parameter is not initialized by A1-03 [Initialize Parameters] .
• The value is preset to the appropriate value when the drive is shipped. Change the setting value in the following circumstances only.
– Drives are installed side-by-side
– Drive cooling fins (heatsinks) are installed externally to the control panel
The overload protection detection level for the drive is automatically adjusted to the optimal value in accordance
with the setting value. Change this setting when drives are installed Side-by-Side or when mounting a standard
drive with the heatsink outside the enclosure panel.
0 : IP20/Open-Chassis enclosure
Select this setting when installing the IP20 open type enclosure drive.
Ensure that there is at least 30 mm (1.18 in.) of space between drives or between the drive and side of the
enclosure panel.
1 : Side-by-Side Mounting
Select this setting when multiple drives are installed Side-by-Side.
Ensure that there is at least 2 mm (0.08 in.) of space between drives when installed side-by-side.
2 : IP21/NEMA Type 1/IP55
Select this setting when installing UL Type 1 enclosed wall-mounted type drives or IP55 drives.
3 : Finless / External Heatsink
Select this setting when installing finless type drives or when the cooling fin (heatsink) is external to the enclosure
panel.
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L8-38: Carrier Frequency Reduction
No.
(Hex.)
Name Description
Default
(Range)
L8-38
(04EF)
Carrier Frequency
Reduction
Sets the carrier frequency reduction function. The drive reduces the carrier frequency when the
output current is more than a specified level.
Determined by A1-02 and
o2-04
(0 - 2)
V/f CL-V/f OLV CLV AOLV
V/f CL-V/f OLV CLV AOLV
V/f CL-V/f OLV CLV AOLV