03-21-2016 11:45 PM
Hello
Using shared variables with the waveform double type please explain the
significance of Network properties which shows options:
No. of Arrays
No. of Waveforms,
Points per Waveform.
Also elaborate for RT FIFO property in the shared variable. It has different
options like
single element, multi element etc. in the drop-down menu.
In which case it is required to enable & use this.
Thank you.
Regards,
Tej Trivedi.
03-23-2016 03:11 AM
Hi Tej,
Here there are few useful links which can help you to understand about shared variables in a better way.
http://www.ni.com/white-paper/4679/en/
http://zone.ni.com/reference/en-XX/help/371361J-01/lvconcepts/ni_psp/
http://www.ni.com/white-paper/5484/en/
hope this helps.
Regads,
M.Kishan
03-23-2016 06:08 AM
Thank You, Kishan.M
I had gone through these links.
What I want to know is the significance of that 3 items for Waveform double type shared variables.
Thanks & Regards.
03-23-2016 09:49 AM
How much data you can buffer on the network.
Click the help button that screen.
03-23-2016 04:27 PM
The help document that RavensFan is talking about is this
http://zone.ni.com/reference/en-XX/help/371361H-01/lvdialog/network_page/
RT FIFOs are explained in a bit more detail at the bottom of this help document but you are mostly only going to use this when reading or writing to a variable inside of a timed loop in a real time VI. The RT FIFO functions should also be used in place of queues if you are communicating to or from a timed loop on a real time device. Not using this feature can lead to priority inversion because of shared resources between the reader and writer.
http://zone.ni.com/reference/en-XX/help/370622K-01/lvrtconcepts/rt_projectvariable/
03-28-2016 04:55 AM
I have 32 wavefrom arrays to write using 1 shared variable. In this case when I kept no. of arrays 1 or more than 32 it didnt make any difference in the output when I read the same variable. Then what is the significance ???