YASKAWA FSDrive-MV1S Instructions Manual page 109

Hardware Protection 2: L9
User constants for hardware protection 2 functions are shown in the following table.
Constant
Number
L9-01
L9-02
L9-03
L9-06
L9-07
L9-14
L9-20
L9-21
L9-22
* Values for a 6 kV Class Inverter are double.
-44
5
Name
Display
Main power supply Set the Inverter main input voltage
input voltage in 1 volt. (Transformer primary
side)
This setting is used as a reference
Main Input Volt
value in protection functions.
Operation when power Select the action to be taken when
supply overvoltage is power supply overvoltage (IOV) is
detected detected.
0: Detection disabled
1: Coast to a stop (fault)
2: Continue operation (alarm)
IOV Select
Applicable to software versions
S0104 or later.
Power supply over- Set the time for power supply
voltage detection time overvoltage (IOV) detection in
units of 0.01s.
Power supply overvoltage (IOV)
is detected when the power supply
exceeds 120% of the value set in
IOV Time
L9-01 for the period of time set in
L9-03.
Applicable to software versions
S0104 or later.
Output overvoltage Set the output overvoltage detec-
detection level tion level in 0.1% units.
[100%: Maximum motor voltage
OUTPUT OV Lvl
(E1-05)]
Output overvoltage Used to set the output overvoltage
detection time detection time in 0.01-seconds
units.
Any output voltage above the L9-
OV Time
06 set level that continues for the
time set in L9-07 is detected.
Control power supply
Select the control power supply
fault (terminal 20)
(terminal 20 input) fault detection.
detection selection
0: Detection disabled
1: Detection enabled
Term20 Det Sel
Selection of operation Select the operation when soft-
when ground fault is ware detects output ground fault.
detected on output side 0: Detection disabled
1: Coast to a stop (fault)
OGF Select
2: Continue operation (alarm)
Output ground fault Set the software output ground
detection level fault detection level in units of
0.1%.
(100%: Voltage class)
Output OGF Lvl
(3-kV class: 3300V, 6-kV class:
6600V)
Output ground fault Set the time for software output
detection time ground fault detection in units of
0.001 second.
The output ground fault (OGF) is
detected when the total of output
OGF Time
voltage of three phases exceeds
the level set in L9-21 for the time
set in L9-22 or longer.
Setting
Description
Range
2700 to
3630
*
0 to 2
0.00 to
2.00
110.0
to
120.0
0 to
2.00
0 or 1
0 to 2
0.0 to
100.0
0.001
to
2.000
Control
Change
Methods
during
Factory
Open-
Setting
Opera-
Flux
loop
tion
Vector
Vector
3300V
No A A
*
1 No A A
0.05 s No A A
120% No A A
1.00s No A A
0 No A A
1 No A A
5.0% No A A
0.200 s No A A
MEMOBUS
Register
5A0H
5A1H
5A2H
5A5H
5A6H
5ADH
5B3H
5B4H
5B5H