11.9 L: Protection Function
768 YASKAWA SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
• When using a regenerative converter, such as the D1000.
• When using a regenerative unit, such as the R1000.
• When connecting braking resistor options to the drive, such as CDBR units.
• When using no internal braking transistor.
1 : Protection Enabled
Protects internal braking transistor when using a braking transistor or optional braking resistors.
The following models have a built-in braking transistor .
• 2003 to 2115
• 4002 to 4150
◆ L9: Drive Protection 2
L9 parameters are used to configure the protection function used to detect cooling fan faults.
■ L9-16: FAn1 Detect Time
No.
(Hex.)
Name Description
Default
(Range)
L9-16
(11DC)
Expert
FAn1 Detect Time
Sets the detection time for FAn1 [Drive Cooling Fan Fault]. Yaskawa recommends that you do
not change this parameter value.
4.0 s
(0.0 - 30.0 s)
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