5.3 Description of Function Codes
5-187
FUNCTION CODES
Chap 5
H99,
H197, H198
H199
Password 2 setting/check
User password 1 (selection of protective operation, setting check)
User password protection valid
The password function is the function to hide the function code entirely/partially which is set for the inverter. When
this function is used, perform correct settings after familiarizing yourself with the following details. If incorrect
settings are made, the function code cannot be changed or checked. An alarm may also occur and the inverter
may stop. Perform the operation carefully.
If the objective is to prevent inadvertent rewriting of the setting value from the touch panel, it is
recommended to use the data protective function with function code F00 rather than the password
function. For details of the data protectio
n, refer to the items in F00.
If a password is inadvertently set, the setting values cannot be changed from the remote touch panel,
multi
-function touch panel or external device using the link function. Be careful for setting.
If an incorrect password setting value is entered and you failed to decode the password, the password
protection state cannot be released. In addition, failure to decode the password consecutively 5 times
results in minor
To prevent the password decoding by an ill-disposed third party, failure to decode the password for the
specified number of times results in
lok
alarm, which disables
the inverter operation. Therefore, it is
recommended to
decode the password during stop of the system. If it is necessary to decode
the
password during operation, perform
We are not able to know the passwords set by customers. If you have forgotten the password setting
value, the only way to
decode the password is initialization of the function code. Se
t and control the
password carefully.
■ Password 1 (Rewrite disable protection)
Function code setting values excluding some codes can be protected as rewrite disable.
Select the target function code which is protected by H197 and set the password (hexadecimal 4 digits) with
function code H198. When function code H199 is set to 1, password 1 protective status (rewrite disable protection)
is active.
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