YASKAWA GA700 Technical Manual page 474

10.11 L: Protection Function
No.
Name
(Hex.)
L8-11 HeatsinkCooling
Fan Off DelayTime Sets the delay time that occurs before the cooling fan is stopped
(04B7)
L8-12 Ambient
Temperature
(04B8)
Setting
L8-15 oL2 Characteristics
Sel atLowSpd
(04BB)
L8-18 Software Current
Limit Selection
(04BE)
L8-19 FreqReductRate
DuringOH Pre-
(04BF)
Alarm
L8-20 CF SELECT
(04C0)
L8-27 Overcurrent
Detection Gain
(04DD)
L8-29 Current Unbalance
Detect (LF2)
(04DF)
L8-31 LF2 Detection
Time
(04E1)
L8-32 Cooling Fan
Failure Selection
(04E2)
L8-35 Installation Method
Selection
(04EC)
474
Description
V/f CL-V/f OLV CLV AOLV
after the run command is canceled when L8-10 = 0 [Heatsink
Cooling Fan Ope Select = Dur Run (OffDly)].
V/f CL-V/f OLV CLV AOLV
Sets the ambient temperature of the area where the drive is installed.
V/f CL-V/f OLV CLV AOLV
Selects whether the drive overload capability is reduced at low
speeds to prevent oL2 [Drive Overloaded] to protect the main
circuit transistor in the drive during low speed operation (at 6 Hz or
less).
Note:
Contact Yaskawa or your nearest sales representative for
consultation before disabling this function at low speeds.
Frequent operation of drives under conditions of high output
current in low speed ranges may shorten the service life of the
drive IGBT due to heat stress.
0 : Disabled
1 : Enabled
V/f CL-V/f OLV CLV AOLV
Enables or disables the software current limit selection used to
protect the main circuit transistor from significant current.
0 : Disabled
1 : Enabled
V/f CL-V/f OLV CLV AOLV
Sets the ratio at which the frequency reference is derated when the
oH alarm is output.
V/f CL-V/f OLV CLV AOLV
Selects the operation when CF faults are detectedwhen A1-02 = 4
[Control Method Selection = Advanced OpenLoop Vector Control].
0 : Disabled
1 : Coast to Stop
2 : Fast Stop
V/f CL-V/f OLV CLV AOLV
Sets the PM motor overcurrent detection level as a percentage of the
motor rated current value.
V/f CL-V/f OLV CLV AOLV
Enables or disables the detection of LF2.
0 : Disabled
1 : Enabled
V/f CL-V/f OLV CLV AOLV
Sets the LF2 [Output Current Imbalance] detection time.
V/f CL-V/f OLV CLV AOLV
Selects the drive operation when FAn [Internal Agitating Fan Fault]
occurs.
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast-Stop
3 : Alarm Only
4 : Run@L8-19 Rate
V/f CL-V/f OLV CLV AOLV
Selects the type of drive installation.
0 : IP00/Open-Chassis enclosure
1 : Side-by-Side mounting
2 : IP20/UL Type 1/IP55
3 : Finless/Fin Ext
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM OLV/PM AOLV/PM CLV/PM EZOLV
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
OLV/PM AOLV/PM CLV/PM EZOLV OLV/PM
Default
Ref.
(Range)
60 s 867
(0 - 300 s)
40 °C 867
(-10 to 50 °C)
1 867
(0, 1)
0 868
(0, 1)
0.8 868
(0.1 to 0.9)
1 868
(0 - 2)
300.0% 869
(0.0 - 400.0%)
1 869
(0, 1)
3 869
(1 to 100)
1 869
(0 to 4)
Determined by o2- 870
04
(0 - 3)