Em 13/9/2011 02:19, Olaf Kluge escreveu:

> Hi,
>
>
>
> I need to check the connectivity to our plc. A little tool is between
> database an plc. If the plc is down or the tool, I cannot see the
> connectivity.
>
>
>
> The visualization is also connected to our database, but not to the plc. Now
> I would show the connectivity in the visualization to our database (it
> works) and to our sps. I have seen a tool named jobscheduler, but it works
> not so good. After the installation it does not start, not under windows xp
> and also not under windows 7.
>
>
>
> Thanks.
>
>
>
> Olaf
>

You could use the Windows Task Scheduler to run an batch file that runs
an script using ISQL that posts an event, your application listen to
that event and respond back, so you will know wich clients are listenning.

see you !