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The next selector dialog shows which analogue channels are collecting acquire-on-change measurements:

 select  

select 701 WI channel: 

Brings you to the acquire-on-change configuration dialog:

 Most  

Most importants settings are the ON/OFF and the "Push to server" toggle buttons.

For the most basic measurement it is usually enough to enable the acquisition, so just toggle ON/OFF and push to servera typical configuration, set the acquire-on-change threshold to 1% (lower than the default 5%), then toggle push to server and ON/OFF, then save the changes:

Now the data collection method is set for the particular analogue channel. Let's see the collected data:

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Let's set AN-A02 to a track circuit and enable acquire-on-change on it:

Set name:

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Set sensor:

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Set acquire-on-change:

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Send to logger:

Image Added WebCFG tool sends and retrieves the configuration again:Image Added

Check the output of the data acquisition:

Image Added Gets to: Image Added

Select today's date:

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Open acqchg folder:

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Open the new file for AB TR we just set up:

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The opened file must contain at least one sample as base acquisition.

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