L8: Drive Protection - YASKAWA CIPR-GA50C series Technical Manual

No.
Name
(Hex.)
L7-07 Torque Limit during
Accel/Decel
(04C9)
L7-16 Torque Limit Process at
Start
(044D)
◆

L8: Drive Protection

No.
Name
(Hex.)
L8-01 3% ERF DB Resistor
Protection
(04AD)
L8-02 Overheat Alarm Level
(04AE)
L8-03 Overheat Pre-Alarm
Selection
(04AF)
L8-05 Input Phase Loss
Protection Sel
(04B1)
L8-07 Output Phase Loss
Protection Sel
(04B3)
L8-09 Output Ground Fault
Detection
(04B5)
L8-10 Heatsink Fan Operation
Selection
(04B6)
L8-11 Heatsink Fan Off-Delay
Time
(04B7)
L8-12 Ambient Temperature
Setting
(04B8)
YASKAWA SIEPC71061753A GA500 Technical Manual
Description
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the torque limit function during acceleration and deceleration.
0 : Proportional only
1 : Proportional & Integral control
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Assigns a time filter to allow the torque limit to build at start.
0 : Disabled
1 : Enabled
Description
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the function to enable braking resistor protection with a Yaskawa ERF series
braking resistor (3% ED) installed on the heatsink.
0 : No
1 : Yes
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the oH detection level in temperature.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the operation of drives when an oH alarm is detected.
0 : Ramp to Stop
1 : Coast to Stop
2 : Fast Stop (Use C1-09)
3 : Alarm Only
4 : Operate at Reduced Speed (L8-19)
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the function to enable and disable input phase loss detection.
0 : Disabled
1 : Enabled
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the function to enable and disable output phase loss detection. The drive starts
output phase loss detection when the output current decreases to less than 5% of the
drive rated current.
Note:
The drive can incorrectly start output phase loss detection in these conditions:
• The motor rated current is very small compared to the drive rating.
• The drive is operating a PM motor with a small load.
0 : Disabled
1 : Fault when one phase is lost
2 : Fault when two phases are lost
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the function to enable and disable ground fault protection.
0 : Disabled
1 : Enabled
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets operation of the heatsink cooling fan.
0 : During Run, w/ L8-11 Off-Delay
1 : Always On
2 : On when Drive Temp Reaches L8-64
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the length of time that the drive will wait before it stops the cooling fan after it
cancels the Run command when L8-10 = 0 [Heatsink Cooling Fan Ope Select = Dur
Run (OffDly)].
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the ambient temperature of the drive installation area.
Note:
The setting range changes when the L8-35 [Installation Method Selection] value
changes:
• 0 [IP20/UL Open Type]: -10 °C to +60 °C
• 1 [Side-by-Side Mounting]: -10 °C to +50 °C
• 2 [IP20/UL Type 1]: -10 °C to +50 °C
• 3 [External Heatsink]: -10 °C to +50 °C
11.11 L: Protection Functions
Default
Ref.
(Range)
0 702
(0, 1)
1 702
(0, 1)
Default
Ref.
(Range)
0 702
(0, 1)
Determined by o2-04, 703
C6-01
(50 - 150 °C)
3 703
(0 - 4)
1 704
(0, 1)
0 704
(0 - 2)
Determined by o2-04 705
(0, 1)
0 705
(0 - 2)
60 s 705
(0 - 300 s)
40 °C 705
(-10 °C - +60 °C)
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