YASKAWA A1000

4.10 Verifying Parameter Settings and Backing Up Changes
YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 137
Start-Up Programming & Operation
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4.10 Verifying Parameter Settings and Backing Up Changes
Use the Verify Menu to check all changes to parameter settings. Refer to Verifying Parameter Changes: Verify Menu on
page 106.
It is convenient to check all changes to para
meters then save the verified parameters as User parameters. Change the
access level or set a password to the drive to prevent accidental modification of parameter settings.
 Backing Up Parameter Values: o2-03
The following procedure saves all parameters settings to drive memory where they can later be recalled. Set o2-03 to “1”
to save parameter changes. This saves all parameter settings, and then returns o2-03 to 0. The drive can now “recall” the
saved parameters by performing a User Initialization (A1-03 = 1110).
 Parameter Access Level: A1-01
Setting the Access Level for “Operation only” (A1-01 = 0) allows the user to access parameters A1- and U-
only. Other parameters are not displayed.
Setting the Access Level for “User Parameters” (A1-01 =
1) allows the user to access only the parameters that have been
previously saved as User Parameters. This is helpful when displaying only the relevant parameters for a specific
application.
 Password Settings: A1-04, A1-05
The user can set a password to the drive to restrict access. The password is selected via parameter A1-05. The password
must be entered to A1-04 to unlock parameter access (i.e., parameter setting A1-04 must match the value programmed
into A1-05). The following parameters cannot be viewed or edited until the value entered to A1-04 correctly matches the
value set to A1-05: A1-01, A1-02, A1-03, A1-06, A1-07, and A2-01 through A2-32.
Note: Parameter A1-05 is hidden from view. To display A1-05, access parameter A1-04 and simultaneously press the key and the
key.
No. Parameter Name Description Setting Range Default Setting
o2-03
User Parameter
Default Value
Lets the user create a set of default settings for a User Initialization.
0: Saved/Not set
1: Set Defaults - Saves current parameter settings as the default values for a User Initialization.
2: Clear All - Clears the currently saved user settings. After saving the user parameter set value, the items of
1110 (User Parameter Initialize) are displayed in A1-03 (User Parameter Default Value).
0 to 2 0
A1-03
Initialize Parameters
Selects a method to initialize the parameters.
0: No Initialize
1110: User Initialization (The user must first program and store desired settings using parameter o2-03)
2220: 2-Wire Initialization (parameter initialized prior to shipment)
3330: 3-Wire Initialization
5550: oPE04 Fault reset
0 to 5550 0
No.
<1> Lists all parameters after the last listed parameters when User Parameters are set to parameters A2-17 and higher.
Example: The drive will list parameters A2-21 and higher when User Parameters are listed from A2-01 to A2-20.
Parameter
Name
Description
Setting
Range
Default
A1-01
Access Level
Selection
Selects which parameters are accessible via the digital operator.
0: Operation only. A1-01, A1-04, and A1-06 can be set and monitored, U- parameters can also be viewed.
1: User Parameters. Only parameters A1-00, A1-01, and A1-04, and A2-01 to A2-32 in Setup Mode can be set and
monitored.
2: Advanced Access Level. All parameters can be set and monitored.
0 to 2 2
A2-01
to
A2-32
User Parameters
1 to 32
<1>
Parameters selected by the user are saved as User Parameters. This includes recently viewed parameters or parameters
specifically selected for quick access.
If parameter A2-33 is set to 1, recently viewed parameters will be listed between A2-17 and A2-32. Parameters A2-01
through A2-16 must be manually selected by the user.
If A2-33 is set to 0, then recently viewed parameters will not be saved to the group of User Parameters. A2-
parameters are now available for manual programming.
b1-01 to
o-
–
A2-33
User Parameter
Automatic
Selection
<1>
0: Parameters A2-01 through A2-32 are reserved for the user to create a list of User Parameters.
1: Save history of recently viewed parameters. Recently edited parameters will be saved to A2-17 through A2-32 for
quick access. The most recently changed parameter is saved to A2-17. The second most recently changed parameter is
saved to A2-18.
0, 1 1