H07 Lock Device
Definition
Sets the flow meter’s password protection to prevent unauthorized changes to configuration parameters. Default: Off.
Notes
When password protection is enabled, the default password is 4321.
To change the password, go to H08 Password.
Once enabled, a password is required to access the settings menu from the main screen.
Operation Procedure
Button Functions (Click to Expand)
When the main screen is displayed in green backlight, the four buttons function as follows:
Blue Button (leftmost): Return, exit, or save settings.
Gray Direction Buttons:
Left Gray: Previous Page, decrease value, or select item
Right Gray: Next Page, increase value, or select item
Orange Button (rightmost): Rightmost button: Enter settings, edit, or confirm selection
Password Lock Function (Click to Expand)
The password lock function restricts access to and modification of parameters, preventing unauthorized or accidental changes to settings.
The relevant parameters for this function are: H07 Lock Device, H08 Password
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 Setting
After 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 Screen
When 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.H07 Options, RS485 Values, Read/Write Commands, and Formats
Off (Default)
0
On
default password 4321
1
Refer to the Read/Write Memory List for the Modbus command format. This parameter uses the Int16 data format.
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