YASKAWA CIMR-G5A Series - Page 290

User Constants
8.2.7 Protection Constants: L
8-36
Constant
Number
Page
Control Methods
Change
during
Opera-
tion
Factory
Setting
Setting
Range
Description
Name
Constant
Number
Page
Flux
Vector
Open
Loop
Vector
V/f
with
PG
V/f
Change
during
Opera-
tion
Factory
Setting
Setting
Range
Description
Display
L2 04
Voltage recovery time
Sets the time required to return to
normal voltage at the completion
of a speed search, in units of one
second.
:
St
th
ti
id
f
0.0 to
03
×
A
A
A
A
7
86
L2-04
PwrL V/F Ramp t
:Set the time required for a
200 V class Inverter to recover
from 0 V to 200 VAC.
(For the 400 V class Inverter,
the time from 0 V to 400 VAC.)
0
.
0
to
5.0
0.3
×
A A A A
7-86
L2-05
Undervoltage detec-
tion level
Sets the main circuit under volt-
age (UV) detection level (main
circuit DC voltage) in V units.
:
Usuall
y
settin
g
is not necessar
y
.
150 to
210
190
*
2
×
A A A A
7-86
L2 05
PUV Det Level
:
Usually
setting
is
not
necessary
.
Insert an AC reactor to lower
the main circuit undervoltage
detection level.
210
*
2
*
2
×
A
A
A
A
7
86
L2 06
KEB deceleration rate
Restores the operating conditions
for momentary power loss by ap-
p
l
y
in
g
a fre
q
uenc
y
deceleration to
0.0 to
00
×
A
A
A
A
7
86
L2-06
KEB Frequency
plying
a
frequency
deceleration
to
create inertia energy when a pow-
er loss occurs, and thus avoid the
power loss.
0
.
0
to
100.0
0.0
×
A A A A
7-86
* 1. The factory setting depends upon the Inverter capacity. The values for a 200 V class Inverter of 0.4 kW will be displayed. See
page 8 - 47.
* 2. These are values for a 200 V class Inverter. Value for a 400 V class Inverter is double.
8