5.3 Description of Function Codes 5.3.5 H codes (High performance functions)
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 keypad, it is recommended
to use the data protective function with function code F00 rather than the password function. For details
of the data protection, refer to the items in F00.
If a password is set carelessly, the setting values cannot be changed from the keypad, multi-function
keypad, 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 a warning.
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 decoding carefully.
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. Set and control the
password carefully.
Password H198 and H99 cannot be accessed via communication.
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.
Protective operation
selection
0: All function codes are disclosed, but the change is not allowed.
1: Only the function code for quick setup can be disclosed/changed.
2: Only the function code for customize logic setting is not disclosed/not
changed.
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