Setting the control method: a1-02 – Yaskawa G5HHP Drive User Manual
Page 92

Setting User Constants
4.2.5 Initialize Mode
4 - 24
J
Setting the Control Method: A1-02
D
Use constant A1-02 to select one of the four control methods.
D
This user constant is not returned to the factory setting when constants are initialized. It must be manual-
ly reset to the factory setting.
User
Change
during
Setting
Factory
Valid Access Levels
User
Constant
Number
Name
g
during
Opera-
tion
Setting
Range
Unit Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
A1-02
Control method selec-
tion
X
0 to 3
--
2
(Open Loop
Vector)
Q
Q
Q
Q
Control Method Settings
Setting
Function
0
V/f control without pulse generator (normal V/f control).
1
V/f control with PG feedback (V/f control using a PG Speed Control Card).
2
Open-loop vector control
(Vector control using the Inverter internal speed information).
3
Flux vector control
(Vector control using a PG Speed Control Card).
Changing the Control Method to Flux Vector
Use the following procedure to change the control method to select flux vector.
Step
Key Sequence
Digital Operator Display
Remarks
1
MENU
G5* Main Menu *
Operation
2
G5* Main Menu *
Initialize
3
DATA
ENTER
Select language
English
4
Press twice.
Control Method
Open Loop
5
DATA
ENTER
A1--02 = 2 ***
Open Loop
Changed to constant setting level.
6
A1--02 = 3
Flux Vector
7
DATA
ENTER
Entry Accepted
Writes-in the new setting.
Control Method
Flux Vector
After a few seconds, the Operator dis-
play is as shown on the left.
The control method has been changed to flux vector.
4
A
EXAMPLE
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