11 Drive Control and Programming
YASKAWA
TOEPC7106171FD FP605 DRIVE INSTALLATION & PRIMARY OPERATION
69
11
Drive Control and Programming
◆
Selecting the Control Method
This section gives information about these basic control methods:
•
V/f Control
•
EZ Open Loop Vector Control (EZOLV) for induction motors only
Refer to the Technical Reference for information about speed feedback and Permanent Magnet/Synchronous
Reluctance motor control methods.
Use
A1-02 [Control Method Selection]
to select the most applicable control method for your application.
Control Method
A1-02 Setting
Main Applications
V/f
0
•
General variable-speed. Best method to operate more than one motor from one drive.
•
When motor parameters are not available.
EZOLV
8
•
General variable-speed
•
No high precision, no high speed response, and no speed feedback
◆
Auto-Tuning
WARNING
Injury to Personnel. Rotational Auto-Tuning rotates the motor at 50% or more of the motor rated frequency. Make
sure that there are no issues related to safety in the area around the drive and motor. Increased motor frequency can cause serious
injury or death.
WARNING
Sudden Movement Hazard. Before you do Rotational Auto-Tuning, disconnect the load from the motor. The load
can move suddenly and cause serious injury or death.
Auto-Tuning automatically sets parameters on the drive connected to the motor. You must input some parameters
individually during Auto-Tuning.
1. Select [Auto-Tuning] from the main menu to select the Auto-Tuning Mode.
2. Use the information in
and
to set
T1-01 [Auto-Tuning Mode Selection]
and
T4-01 [EZ
Tuning Mode Selection]
.
3. Push
to start Auto-Tuning.
Refer to the Technical Reference for more information about Auto-Tuning.
Table 11.1 Auto-Tuning Mode Selection
Type
T1-01
Application Conditions and Benefits
A1-02 = 0
[Control Method
Selection = V/f]
Rotational Auto-Tuning
0
Recommended tuning mode for the most accurate results. Select this tuning mode when:
•
You can decouple the motor from the load.
•
You cannot decouple the motor from the load, but the motor load is less than 30%.
Yes
Stationary Line-Line Resistance
2
Select this tuning mode when:
•
The drive and motor capacities are different.
•
The drive is in V/f Control.
•
You have replaced the drive and motor.
Yes
Table 11.2 EZ Tuning Mode Selection
Type
T4-01
Application Conditions and Benefits
A1-02 = 8
[EZOLV]
Motor Parameter Setting
0
Set the motor parameters.
Yes
Line-to-Line Resistance
1
Select this tuning mode after you replace the drive, motor, and motor cables.
Yes
