Use automatic acknowledgement when the tag value returns to normal
- Last UpdatedSep 11, 2025
- 1 minute read
The InTouch HMI can automatically acknowledge an alarm when an alarmed tag’s value returns to its normal state. This option does not apply to expanded summary alarms.
Configure alarm acknowledgement on return
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Open an application in WindowMaker.
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On the File menu, point to Configure, and then select Alarms.
The Alarms configuration screen appears.
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In the General area, select RTN implies ACK to have the InTouch HMI automatically acknowledge alarms whose values return to the normal state (RTN).

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Select the RTN implies ACK check box
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Select OK.