L9: Drive Protection 2 - YASKAWA GA700 Technical Manual

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L8-93: LSo Detection Time at Low Speed
No.
Name
(Hex.)
L8-93 LSo Detection Time
at Low Speed
(073C)
Setting this parameter to 0.0 seconds disables detection low speed desynchronization.
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L8-94: LSo Detection Level at Low Speed
No.
Name
(Hex.)
L8-94 LSo Detection Level
at Low Speed
(073D)
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L8-95: Average LSo Freq at Low Speed
No.
Name
(Hex.)
L8-95 Average LSo Freq at
Low Speed
(077F)
◆

L9: Drive Protection 2

L9 parameters are used to configure the protection function used to detect cooling fan faults.
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L9-16: FAn1 Detection Time
No.
Name
(Hex.)
L9-16 FAn1 Detection Time
(11DC)
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
V/f CL-V/f OLV CLV AOLV
Sets the time before baseblock is executed after LSo [LSo Fault] is detected.
V/f CL-V/f OLV CLV AOLV
Sets the detection level for LSo [LSo Fault] as a percentage of E1-04
[Maximum Output Frequency].
V/f CL-V/f OLV CLV AOLV
Sets the average count of LSo [LSo Fault] detections.
V/f CL-V/f OLV CLV AOLV
Sets the detection time for FAn1 [Drive Cooling Fan Failure]. Do not
change the value of this parameter unless absolutely necessary.
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Description
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
11.9 L: Protection Function
Default Setting
(Range)
1.0 s
(0.0 - 10.0 s)
Default Setting
(Range)
3%
(0 - 10%)
Default Setting
(Range)
10 times
(1 to 50 times)
Default
(Range)
4.0 s
(0.0 to 30.0 s)
11
873