H08 Password

Definition

Sets or changes the flow meter’s 4-digit password.

Notes

1. After enabling H07 (Password Function), the default password is 4321.

2. Incorrect attempt limit: No limit.

3. If the password is forgotten: Contact LORRIC to obtain a master reset password.

Operation Procedure

Button Functions (Click to Expand)

The main unit has four buttons. The bottom line (Line 3) of the LCD displays the current function of each button. Under normal operation, the button functions are as follows:

• Blue Button - Leftmost button: Return, exit, or save settings.

Gray Arrow Buttons:

• Left Gray Button: Page up, increase value, or select item

• Right Gray Button: Page down, decrease value, or select item

• Orange Button: Rightmost button: Enter settings, edit, or confirm selection

Do not hold buttons for extended periods to avoid damage.

Button functions may change depending on the operation context to improve usability or prevent accidental presses.

Password Lock Function (Click to Expand)

H07 Lock Device (Enable/Disable)• H07 Lock Device Setting Steps• From the main screen (green backlight), press Orange Button (Setup) to enter settings (orange backlight).• Use Gray Arrow Buttons to select H. System , press Orange Button (Enter).• Use Gray Arrow Buttons to select H07 Lock Device, press Orange Button (Enter).• Use Gray Arrow Buttons to choose "ON". • Press Orange Button (Set) to confirm.• Press Blue Button (ESC) to return to the main screen (green backlight).H08 Password SettingAfter enabling H07 Password Lock, the default password is 4321. To change the password, use H08 Password.H08 Password Setting Steps• From the main screen (green backlight), press Orange Button (Setup) to enter settings (orange backlight).• Use Gray Arrow Buttons to select H. System , press Orange Button (Enter).• Use Gray Arrow Buttons to select H08 Lock Device, press Orange Button (Enter).• Use Gray Arrow Buttons to choose the digit to adjust(highlighted in dark gray).• Press Orange Button(Edit) to enter adjustment mode.• Adjust digits: Left Gray Button to increase, Right Gray Button to decrease.• Press Orange Button(SAVE) to confirm each digit• After all digits are set, press Blue Button(Save).• Press Blue Button(ESC) to return to the main screen(green backlight).Locked ScreenWhen the password lock is enabled, entering the Settings screen from the main screen will display the Password Entry screen.Password Entry Screen Instructions:• Use the gray direction keys to select the digit to adjust • Press orange Edit to start entering the password.• Adjust the digit: press the left gray key to increase, the right gray key to decrease.• After entering the correct password, • Press the Blue Button (Check) to access the Settings screen.• If the password is incorrect, the system will return to the main screen.Incorrect Password & ResetIncorrect Password Attempts: No limit Forgotten Password: Contact LORRIC to obtain the master reset password.

H08 Options, RS485 Values, Read/Write Commands, and Formats

Parameter Input Range	Corresponding Values	RS-485 Value
Default Password	4321	-
Minimum	0000	-
Maximum	9999	-

Modbus 指令格式請參照讀寫記憶體列表，本參數資料形式為float32。