YASKAWA A1000 Technical Manual page 144

5.1 A: Initialization
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 A1-03 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
E1-03
E5-01
E5-02
E5-03
E5-04
E5-05
E5-06
E5-07
E5-09
E5-24
F6-/F7-
L8-35
o2-04

A1-04, A1-05: Password and Password Setting
A1-04 is for entering the password when the drive is locked. A1-05 is a hidden parameter used to set the password.
No.
A1-04
A1-05
How to use the Password
The user can set a password for the drive to restrict access. The password is set to A1-05 and must be entered to A1-04 to
unlock parameter access. Until the correct password is entered, the following parameters cannot be viewed or edited:
A1-01, A1-02, A1-03, A1-06, A1-07, and A2-01 through A2-32.
The instructions below demonstrate how to set a new password. Here, the password set is "1234". An explanation
follows on how to enter the password to unlock the parameters.
1. Turn on the power to the drive. The initial display appears.
2.
Press the or
144
Table 5.1 will not be reset when the drive is initialized by setting A1-03 = 2220 or 3330.
Table 5.1 Parameters not Changed by Drive Initialization
Parameter Name
Password
Password Setting
Table 5.2 Setting the Password for Parameter Lock
Step
key until the Parameter Setting Mode screen appears.
Setting 0: 3-Wire Sequence on page
Parameter Name
Language Selection
Control Method Selection
V/f Pattern Selection
Motor Code Selection (for PM motors)
Motor Rated Power (for PM Motor)
Motor Rated Current (for PM Motor)
Number of Motor Poles (for PM Motor)
Motor Stator Resistance (for PM Motor)
Motor d-Axis Inductance (for PM Motor)
Motor q-Axis Inductance (for PM Motor)
Motor Induction Voltage Constant 1 (for PM Motor)
Motor Induction Voltage Constant 2 (for PM Motor)
Communication parameter (initialized when F6-08 = 1)
Installation Selection
Drive/kVA Selection
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
Setting Range
0000 to 9999
Display/Result
- MODE -
FREF (OPR)
U1-01= 0.00Hz
U1-02= 0.00Hz
U1-03= 0.00A
JOG FWD
- MODE -
Programming
HELP FWD
236.
Default
0000
DRV Rdy
LSEQ
LREF
FWD/REV
PRG
DATA