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Member
Dillon G
Posts: 37
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XNET-Creating Multiplexed Output Messages

[ Edited ]

I am having difficulties setting up multiple multiplexed output messages, using "Signal Output Single-point".  These signals I wish to send do not all have the same mode value.  If I do not include the multiplexer signal in the signal list I get the following error.

 

"Error -1074384751 occurred at XNET Create Session (Signal Output Single-point).vi:1

Possible reason(s):

NI-XNET:  (Hex 0xBFF63091) For Signal Output sessions, the multiplexer signals used in the session must be specified explicitly in the signal list."

 

If I do include the multiplexer signal in the list than only one message(frame) is sent.  The message(frame) that is sent corresponds to the value I write to the multiplexer signal.  The rest of the signals in other frames are lost.

 

If I try to create two separate sessions then I get the following error.

 

"Error -1074384883 occurred at XNET Create Session (Signal Output Single-point).vi:2

Possible reason(s):

NI-XNET:  (Hex 0xBFF6300D) You tried to open the same frame twice. This is not permitted. Solution: open each frame only once."

 

One solution that was presented to me was to open a frame instead, but I do not want to send all of the signals and frames contained in he cluster.



Member
SchamWow
Posts: 26
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Re: XNET-Creating Multiplexed Output Messages

Will you post a snippet/screenshot of how you set your programming?

 

Did you use an example?  I am interested to know how you set it up as it sounds like how I would set it up - but I don't think I've done extensive multiplexing in LabVIEW XNET.

Member
Dillon G
Posts: 37
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Re: XNET-Creating Multiplexed Output Messages

My coworker has sence encountered the same issue and made a post in the LabVIEW forum here 

http://forums.ni.com/t5/LabVIEW/How-are-Multiple-Modes-of-a-Multiplexed-CAN-Message-Sent-Using/td-p/...

 

He included an example demonstrating some of the same setups that I attempted to use.

Member
TheGeeze
Posts: 122
0 Kudos

Re: XNET-Creating Multiplexed Output Messages

HI Dillon,

 

I just wanted to let people know that we  will continue to work with you on the forum you linked too.  Stephanie and I will take a look at this a bit later today.

 

Cheers,

 

Ryan

Applications Engineer
National Instruments
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