YASKAWA A1000 Series Quick Start Manual page 65

Note: A "user-initialization" resets all parameters to a user-defined set of default values that were previously saved to the drive. To
clear the user-defined default values, set parameter o2-03 to 2.
Setting 2220: 2-Wire Initialization
Resets all parameters back to their original default settings with digital inputs S1 and S2 configured as Forward run and
Reverse run, respectively.
Setting 3330: 3-Wire Initialization
The drive parameters are returned to factory default values with digital inputs S1, S2, and S5 configured as Run, Stop,
and Forward/Reverse respectively. Also refer to digital input functions,
Setting 5550: oPE04 Reset
If parameters on a certain drive have been edited and then a different terminal block is installed with different settings
saved in its built-in memory, an oPE04 error will appear on the display. To use the parameter settings saved to the
terminal block memory, set A1-02 to 5550.
Notes on Parameter Initialization
The parameters shown in
Although the control mode in A1-02 is not reset when A1-03 is set to 2220 or 3330, it may change when an application
preset is selected.
No.
A1-00
A1-02
C6-01
E1-03
E5-01
F6-08
L8-35
o2-04
■ b1-01: Frequency Reference Selection 1
Use parameter b1-01 to select the frequency reference source 1 for the REMOTE mode.
Note: 1. If a Run command is input to the drive but the frequency reference entered is 0 or below the minimum frequency, the RUN indicator
LED on the digital operator will light and the STOP indicator will flash.
2. Press the LO/RE key to set the drive to LOCAL and use the operator keypad to enter the frequency reference.
No.
b1-01
Setting 0: Operator keypad
Using this setting, the frequency reference can be input by:
• switching between the multi-speed references in the d1-
• entering the frequency reference on the operator keypad.
Setting 1: Terminals (analog input terminals)
Using this setting, an analog frequency reference can be entered as a voltage or current signal from terminals A1, A2, or
A3.
Voltage Input
Voltage input can be used at any of the three analog input terminals. Make the settings as described in
input used.
YASKAWA ELECTRIC TOEP C710616 21C YASKAWA AC Drive - A1000 Quick Start Guide
Table 20 will not be reset when the drive is initialized by setting A1-03 = 2220 or 3330.
Table 20 Parameters not Changed by Drive Initialization
Parameter Name
Frequency Reference Selection 1
4 Start-Up Programming & Operation
Setting 0: 3-Wire Sequence on page
Parameter Name
Language Selection
Control Method Selection
Duty Selection
V/f Pattern Selection
Motor Code Selection (for PM motors)
Comm. Parameter Reset
Installation Selection
Drive/kVA Selection
Setting Range
0 to 4
parameters.
81.
Default
1
4
Table 21 for the
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