No. Parameter Name Setting Range Default
A1-04 Password
0000 to 9999 0000
A1-05 Password Setting
How to Use the Password
The user can set a password in parameter A1-05 to restrict access to the drive. 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.
The instructions below demonstrate how to set password “1234”. An explanation follows on how to enter that password to
unlock the parameters.
Table 1.2 Setting the Password for Parameter Lock
Step Display/Result
1. Turn on the power to the drive. The initial display appears.
- MODE -
U1-01= 0.00Hz
U1-02= 0.00Hz
U1-03= 0.00 A
DRV
Freq Ref (AI)
Rdy
FWD
LSEQ
LREF
2.
Press or until the Parameter Setting Mode screen appears.
HELP
- MODE - PRG
DATA
Programming
FWD
3.
Press to enter the parameter menu tree.
-PRMSET-
Initialization
Select Language
PRG
A1-00= 0
← →
FWD
4.
Select the flashing digits by pressing
F1
,
F2
, or .
← →
-PRMSET-
Select Language
English
PRG
FWD
A1-00= 0 *0*
5.
Select A1-04 by pressing .
← →
-PRMSET-
A1- 04 = 0
(0~9999)
“0”
PRG
Enter Password
FWD
6.
Press while holding down
at the same time. A1-05 will appear.
Note:
A1-05 is hidden and will not display by pressing only .
← →
-PRMSET-
A1- 05 = 0
(0~9999)
“0”
PRG
Select Password
FWD
7.
Press .
← →
-PRMSET-
A1- 05 = 0000
(0~9999)
“0”
PRG
Select Password
FWD
0
8.
Use
F1
,
F2
, , and to enter the password.
← →
-PRMSET-
A1- 05 = 1234
(0~9999)
“0”
PRG
Select Password
FWD
4
9.
Press to save what was entered.
Entry Accepted
10. The display automatically returns to the display shown in step 6.
← →
-PRMSET-
A1- 05 = 0
(0~9999)
“0”
PRG
Select Password
FWD
1.1 A: Initialization
12
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
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