View script function - Data-Log data

You can retrieve data from data-logs using following function:

myscada.readDatalogData(options,callback);

To use this function, please use a visual dialog located in the editor top bar.   Example:

//read historical data from data-log

options={};

options[‘dlgid’]=1;

options[‘tags’]=[1];

options[‘timeFrom’]=new Date()/1000-60*60;

options[‘timeTo’]=new Date()/1000;

options[‘limit’]=1000;

myscada.readDatalogData(options, function(err,result){

//process each row of returned data

  for (i=0;i<result.length;i++)

  {

    var date=result[i].datetime;

    var value0=result[i][1]; //first (first@script)

  }

});