iX Talk

Posted: **Wed Jul 11, 2018 8:11 pm**

I wish to log data (continuously) when a tag is between a range of values.

In my application, a welding process progresses through a number of steps. There is a tag from the controller which tells me the current step.

I wish to log trend data continuously when the welder is, say, between step 7 and step 10.
1. What is the best way to trigger this action?
2. How can I control the rate at which the data is logged?

Steve

Posted: **Fri Sep 07, 2018 7:18 am**

Read the documentation, once in a while it has just what youre looking for.

Create a script module and initialise a Timer and declare a TimeSpan on ScriptCreated event

Code: Select all

private static Timer logTimer = null;
		private TimeSpan interval;
		
		void ScriptModule1_Created(System.Object sender, System.EventArgs e)
		{
			logTimer = new Timer();
			logTimer.Interval = 1000;
			logTimer.Enabled = true;
			logTimer.Tick += Tock;
			
			interval = new TimeSpan(0);
		}

In the Timer tick event we check if the value is in range and set the Log time interval as so :

Code: Select all

void Tock(System.Object sender, System.EventArgs e)
		{
			interval = TimeSpan.FromSeconds(Globals.Tags.IntervalVAL.Value);
			Globals.DataLogger1.LogInterval = interval;
			
			if(Globals.Tags.Test_VAL1.Value > 7 && Globals.Tags.Test_VAL1.Value < 10)
			{
				Globals.DataLogger1.Start() ;
			}
			else
			{
				Globals.DataLogger1.Stop() ;
			}
		}

Posted: **Fri Sep 07, 2018 7:19 am**

There are certain parameters that the iX developer InteliSense doesnt pick up, for example the DataLoger.LogInterval

iX Talk

Logging Data based on range of tag values

Logging Data based on range of tag values

Re: Logging Data based on range of tag values

Re: Logging Data based on range of tag values