Omron SYSDRIVE 3G3FV, User Manual, Page: 295 / 400

7-7
H
DC Braking: b2
Para
meter
Name
Description Setting
range
Default
setting
Chan-
ges
Control mode
Page
meter
No.
Display
name
range setting ges
during
opera-
tion
V/f
control
V/f
with
PG
Open
loop
vector
Flux
vector
b2-01
Excitation
level (DC
injection
starting
frequency)
Used to set the frequency which
starts DC injection braking (the
initial excitation for flux vector
control) in units of 0.1 Hz when
deceleration to stop is selected.
Note: When b2-01 is less than
E1 09 E1 09 becomes
0.0 to
10.0 0.5 NO B B B B 6-42,
5-34
DCInj Start
Freq
E1-09, E1-09 becomes
the DC starting frequency.
Only with flux vector con-
trol is b2-01 used.
b2-02 DC
injection
braking
current Sets the DC injection braking
current as a percentage of the
Inverter rated current.
Note: The initial excitation cur-
rent for flux vector control
0 to
100 50 NO B B B X 6-42
DCInj
Current
rent for flux vector control
depends on the E2-03
setting.
b2-03 DC
injection
braking
time at
start. Used to set the time to perform
DC injection braking (initial
excitation for flux vector control)
at start in units of 1 second.
Note: Used to stop the load ro-
tating and restart it When
0.00 to
10.00 0.00 NO B B B B 6-42,
5-34
DCInj
Time@
Start
tating and restart it. When
the set value is 0, DC in-
jection braking at start is
not performed.
b2-04
DC
injection
braking
time at
stop.
Used to set the time to perform
DC injection braking (initial
excitation for flux vector control)
at stop in units of 1 second.
Note: Used to prevent coasting
after the stop command is
input When the set value
0.00 to
10.00 0.50 NO B B B B 6-42,
5-34
DOInj
Time@Stop
input. When the set value
is 0.00, DC injection brak-
ing at stop is not per-
formed.
b2-08 Magnetic
flux
compensati
on value Sets the magnetic flux
compensation value during DC
injection braking as a
percentage of the no-load
current.
N t U d t d th t t
0 to
500 0 NO X X A A 6-43
Field
Comp@sta
rt
Note: Used to reduce the start-
ing time in motors with
high electrical time
constants, such as high-
capacity motors.
Parameter Lists
Chapter 7