Omron VARISPEED G7 -, Instruction Manual

Page: 127 / 417

5
-22
Motor Slip Compensation: C3
User constants for slip compensation are shown in the following table.
* The factory setting will change when the control method is changed. (Open-loop vector 1 factory settings are given.)
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO
BUS
Regis-
ter
Page
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
C3-01
Slip compen-
sation gain Used to improve speed accu-
racy when operating with a
load.
Usually setting is not neces-
sary.
Adjust this constant at the fol-
lowing times.
• When actual speed is low,
increase the set value.
• When actual speed is high,
decrease the set value.
0.0 to
2.5
1.0* Yes A No A A A 20FH
4-16
6-32
Slip Comp
Gain
C3-02
Slip compen-
sation pri-
mary delay
time Slip compensation primary
delay time is set in ms units.
Usually setting is not neces-
sary.
Adjust this constant at the fol-
lowing times.
• Reduce the setting when
slip compensation respon-
sive is slow.
• When speed is not stabi-
lized, increase the setting.
0 to
10000
200 ms
*
No A No A No No 210H
4-16
6-32
Slip Comp
Time
C3-03
Slip compen-
sation limit
Sets the slip compensation
limit as a percentage of motor
rated slip.
0 to
250
200% No A No A No No 211H 6-32
Slip Comp
Limit
C3-04
Slip compen-
sation selec-
tion during
regeneration 0: Disabled.
1: Enabled.
When the slip compensation
during regeneration function
has been activated, as regen-
eration capacity increases
momentarily, it may be neces-
sary to use a braking option
(braking resistor, Braking
Resistor Unit or Braking
Unit.)
0 or 1 0 No A No A No No 212H 6-32
Slip Comp
Regen
C3-05
Output volt-
age limit
operation
selection
0: Disabled.
1: Enabled. (The motor flux
will be lowered automati-
cally when the output
voltage become satu-
rated.)
0 or 1 0 No No No A A A 213H 6-32
Output V
limit