12.2 A: Initialization Parameters
484 YASKAWA SIEPC71061753C GA500 Technical Manual
Table 12.1 Access Level and Available Keypad Screens
Mode Keypad Screen
A1-01 [Access Level Selection] Setting
0 1 2 3
Drive Mode Monitors Yes Yes Yes Yes
Programming Mode
Parameters Yes Yes Yes Yes
User Custom Parameters No Yes Yes Yes
Parameter Backup/Restore No No Yes Yes
Modified Parameters/Fault
Log
No No Yes Yes
Auto-Tuning No No Yes Yes
Initial Setup Screen No No Yes Yes
Diagnostic Tools No No Yes Yes
Note:
• When you use A1-04 and A1-05 [Password Setting] to set a password, you cannot change the values set in A1-01 to A1-03, A1-06, A1-
07,or A2-01 to A2-32.
• When H1-xx = 1B [MFDI Function Select = Program Lockout], you must activate the terminal to change parameter settings.
• When you use MEMOBUS/Modbus communications, you must send the Enter command from the controller to the drive and complete
the serial communication write process before you can use the keypad to change parameter settings.
■ A1-02: Control Method Selection
No.
(Hex.)
Name Description
Default
(Range)
A1-02
(0102)
Control Method Selection
Sets the control method for the drive application and the motor.
0
(0, 2, 5, 6, 8)
Note:
When you change the control methods, the parameter values specified by A1-02 and E3-01 [Motor 2 Control Mode Selection] are
changed to their default values.
Sets the control method for the drive application and the motor.
0 : V/f Control
Use this control method in these applications and conditions:
• For general variable-speed control applications in which a high level of responsiveness or high-precision speed
control is not necessary.
• Applications in which more than one motor are connected to one drive
• When there is not sufficient data to set the motor parameters
• When it is not possible to do Auto-Tuning. The speed control range is 1:40.
2 : Open Loop Vector
Use this control method for general variable-speed control applications in which high-precision speed control is
necessary. In this control method, a feedback signal from the motor is not necessary to have high torque response
and high torque when operating at low speeds. The speed control range is 1:100.
5 : PM Open Loop Vector
The drive controls an IPM motor or SPM motor in this control method. Use this control method for general
variable-speed control applications in which a high level of responsiveness or high-precision speed control are not
necessary. The speed control range is 1:10.
6 : PM Advanced Open Loop Vector
The drive can control an IPM motor in this control method. Use this control method for general variable-speed
control applications in which high-precision speed control and torque limit are necessary. The speed control range
is 1:20. The speed control range is 1:10 when n8-57 = 1 [HFI Overlap Selection = Enabled].
8 : EZ Vector Control
The drive controls induction motors and PM motors in this control method. This control method uses an easier
procedure to operate motors with more efficiency. Use this control method for derating torque applications. For
example, fans and pumps.
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