C02 Del. Total

Definition

Set the flow meter’s totalizer to zero manually. Default: No.

Notes

N/A

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: Previous Page, decrease value, or select item

• Right Gray Button: Next Page, increase 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.

C02 Del. Total Setting Steps
• From the main screen (green backlight), 
  press Orange Button (Setup) to enter settings (orange backlight).
• Use Gray Arrow Buttons to select C. Total , press Orange Button (Enter).
• Use Gray Arrow Buttons to select C02 Del. Total, press Orange Button (Enter).
• Use Gray Arrow Buttons to choose the options. 
• Press Orange Button (Set) to confirm.
• Press Blue Button (ESC) to return to the main screen (green backlight).

C02 Options – RS485 Values, Read/Write Commands, and Format

Option	RS485 Description	RS-485 Value
No (Default)	No Reset	0
Yes	Reset Totalizer	1

Refer to the Read/Write Memory List for the Modbus command format. The data type for this parameter is Int16.

RS485 Remote Totalizer Reset (C02 Del. Total)

Item	Description
Parameter Name	C02 Del. Total
Description	Resets the Totalizer to zero
Register Address	02 01
Register Length	1
Data Type	int16
Read Command	Function Code 03
Write Command	Function Code 06

1.Read Current Status (Function Code 03)

The master can use Function Code 03 to read the current status of C02:

• Return value = 0: Not triggered (default)

• Return value = 1: Reset action triggered

2.Execute Totalizer Reset (Function Code 06)

The master can use Function Code 06 to write a specified value to the C02 register to trigger the reset:

• Write Value: 1 (Int16)

• After writing, the device immediately resets the Totalizer to zero.