AJAX :: Async Loading Of Measurements Into An Array And Visualize Them To A Chart?

Dec 13, 2010

I have to code a chart which get his data of a PLC-control. The problem is that the PLC send every second a measurement to my program, so I have to refresh the chart every second. Via a timer-element of AJAX I can load the chart every second with new data, but I donīt know how I can make this asynchronous.

I want to have this:

The chart-Website should refresh the chart every second via the ajax-timer. The measurements which were used should stand in an array which is updated with the PLC-control-Function.

BUT I DONīT KNOW HOW I CAN DO THIS!!!

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