# D09 Total Trig.

### Definition

Set the notification condition for the totalizer target. Default: Greater than target.

 (D08 , D09 , and D10  work together to enable totalizer target alarm functionality.)

<details>

<summary>D08, D09, D10 Total Alarm Examples</summary>

```
Example 1: Forward Flow
Enable D08 Total Alarm.
Set D09 Total Trig. to “Greater Than”.
Set D10 Total Target to a positive value, e.g., +100.
When the cumulative forward flow exceeds 100, 
the system triggers the total alarm.

Example 2: Reverse Flow
Enable D08 Total Alarm.
Set D09 Total Trig. to “Less Than”.
Set D10 Total Target to a negative value, e.g., -500.
When the cumulative reverse flow drops below -500, 
the system triggers the total alarm.
```

</details>

### Notes

N/A

### Operation Procedure

<details>

<summary><strong>Button Functions</strong> <em>(Click to Expand)</em></summary>

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:

* <img src="/files/bdd75120acea6361d128fd3deec06f1a8277e667" alt="" data-size="line"> **Blue Button:** Leftmost button: Return, exit, or save settings.
* Gray Direction Buttons:
  * <img src="/files/2e37e572251371c6020ab6d9e11c1fcdd5ef0369" alt="" data-size="line"> **Left Gray:** Previous Page, decrease value, or select item
  * <img src="/files/50a67ff5744401e217d5b9e838da3f7909be732f" alt="" data-size="line"> **Right Gray:** Next Page, increase value, or select item
* <img src="/files/uJJ6BEZ4sukIlwQaHrUB" alt="" data-size="line"> **Orange Button:** Rightmost button: Enter settings, edit, or confirm selection

{% hint style="danger" %}
**Do not hold buttons for extended periods to avoid damage.**
{% endhint %}

{% hint style="info" %}
Button functions may change depending on the operation context to improve usability or prevent accidental presses
{% endhint %}

</details>

<details>

<summary><strong>Totalized Flow Alarm Function</strong> <em>(Click to Expand)</em></summary>

> This function triggers an alarm when the totalized flow reaches a value greater than or less than the preset target.
>
> Related parameters: D08 Total Alarm, D09 Total Trigger Condition (Total Trig.), and D10 Total Target.

</details>

### D09 Options, RS485 Values, Read/Write Commands, and Formats

| Option                 | Description | RS-485 Value |
| ---------------------- | ----------- | ------------ |
| Greater Than (Default) | -           | 0            |
| Less Than              | -           | 1            |


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