To reset an hour or event meter based on a condition

1. In the Basic OPC/Group Items section, right-click and Edit a tag that is serving as the Hour or Event meter.
   The edit group tag window is displayed.

2. In the Value Mode area, select the Reset on condition check box, click the tag icon to display the Choose Tag window, and select a Group Tag from the pop-up window .
   

3. Click OK.

4. Next to the tag icon, choose the operator sign, and enter a number.

5. Click OK.
   The target tag will now reset in response to the condition.

Next...

• Trigger - On Value Change