Real-Time Module architecture

[aSquared]

Hi, (I use LV RT DSC 8.2.1)

I want to learn how to use the Real-Time Module.

 

I have process that is running at a Real Time compact Field Point Target.

The process should be controlled and monitored by the Target but the triggering of the process should be available at the Host.

I also want to view the Process progression at the Host screen.

 

As far as I understand it I have several options :

1. Create a RT FIFO buffer and send the process data to that buffer, and then, use 'TCP Write' to send the buffer data to the Ethernet Network, where it is available to any Host PC at the Ethernet Network to view (by using TCP Read)
2. Create a Variable in the Project, and enable his RT FIFO at his properties.
3. Control the process at the Target with Shared Variables and read them at the Host.

 

Option 3 is the option I have been using so far, ignoring the RT property of the controllers, what are the advantages of using RT module ?

and when should I consider using them ?

 

What is the difference between 1 and 2 and what are their advantages ?

 

What important things do I need to consider when I use RT Module  (just several tips if possible) ?

   Sincerely Yours,  Amitai Abramson.

[mallyaprs]

Hi Amitai,

You could go through this link to know more about RT FIFO and its use. https://www.ni.com/en/support/documentation/supplemental/18/real-time-fifo-frequently-asked-question...

and this for communication wizard https://www.ni.com/en/support/documentation/supplemental/21/simple-messaging-stm-communication-libra...

Message Edited by mallyaprs on 04-30-2009 03:53 AM

[aSquared]

Thanks mallyaprs,

I will review the document and get back to you.