Hello,I have a cDAQ-9178 and a module NI 9862 that I would be using in programs on DasyLab 13.0.My question is where will the configuration of the module 9862 be done on NI MAX by creating a task that will be used on DasyLab like the other modules? If so, how to do it?When I click the module 9862 on MAX with the right mouse button I can not find the option Create a task like the other modules?Need help !Thank you

I have some more information for you - NI support is correct -- you cannot use Tasks in MAX for NI-XNET. There is a tool in DASYLab where you can create XNET kind of Tasks … You need to configure the XNET Task within DASYLab. Use the Measurement, Hardware Setup, NI menu to select the tasks. I'm sorry that it took so long to figure this out - I ended up reaching out to an NI CAN expert who figured it out immediately.

UTC-Aerospace wrote: [...] My question is: Does it matter if I use the NI-CAN FA and what is the difference between NI-CAN CA, NI-CAN XNET and NI-CAN FA [...] I am not really a CAN expert, but... let's try. NI-CAN CA, NI-CAN FA CA = Channel API FA = Frame API When using the NI-CAN FA modules, DASYLab gets the specified CAN telegram, the whole frame. For one of the module's channels, you have to tell the module the telegram ID ("object identifier"), and the "size" and "position" of a value in that telegram. A telegram's size is 8 bytes/64bit, so a telegram can carry multiple values. E.g. a devices temperature is in telegram 11, start bit (or byte) 0, size "signed byte", the next value in the same telegram (eg. the todays total kilometers) is starting at byte 1 and of type "unsigned integer", and so on. So, one channel in NI-CAN FA module defines the value from a telegram to output at one of the module's outputs. You can read values from different telegrams in one module. When using the NI-CAN CA modules, DASYLab gets the telegrams' values from the NI-MAX "channel-wise". Now, you have to do the configuration in MAX (define CAN channels). On the previous page of this thread there is a screenshot of the MAX's tree-structure with a context menue: "Create Message". Here you have to tell the MAX, what telegram ID's you are interested in, also you have to specifiy the values that are transported in the telegrams (see attached picture). When you are done, go to DASYLab and sync the MAX' configuration. In the menubar of DASYLab is an option "NI-CAN CA tasks...". Here, create a "DASYLab task for the MAX' CAN channels", you select from the CAN channels created in MAX the ones you want to use in the DASYLab CAN CA module. Each selected CAN channel provides a value that is output by the DASYLab module. Both DASYLab CAN module types (FA, CA), and the "DASYLab task for MAX' CAN channels", can be configured by using a CANdb file instead of specifiing manually telegram IDs and their signals. NI-XNET I am not familiar with that kind of hardware, but you can use LIN interfaces in addition to CAN interfaces with DASYLab and NI's XNET hardware. The configuration part for this modules in DASYLab is similar to that of NI-CAN CA configuration steps. In the menubar you have to find the option to create an "XNET task". But you have to have a database file, that provides information about the communication that takes place on the CAN/LIN bus you are about to listen to. Either a CANdb file, or a FIBEX database file. You can create such a database using the "NI-XNET-Database-Editor" (Start > Programs > National Instruments). Here's a white paper ( http://www.ni.com/white-paper/9715/en/ ) as starting point for further exploration. Hardware - NI-CAN FA vs. CA in DASYLab I am not perfectly sure, but it doesnt matter for DASYLab which way you want to go. Mostly it depends on the hardware, if it support the Frame API or the Channel API. I would prefer using the FA way, because you can configure the CAN telegrams and values in DASYLab without using the MAX ("everything under one roof" 😉 ). Hardware - NI-XNET in DASYLab You can use XNET devices without using the DASYLab XNET modules, instead you can use the "normal" CAN modules. But you have to install NI-CAN drivers/software in addition to the XNET drivers/software. Also you will need the "NI-XNET Compatibility Library for NI-CAN". Here's another link for detailed information: http://www.ni.com/tutorial/9717/de/

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NI 9862, configuration

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Re: NI 9862, configuration

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‎07-07-2017 04:26 AM

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Hello,
CJ I thank you for your answer, you help me really good.
Then, apparently to create an XNET task you have to create a .dbc file
Is the CAN FA module compatible with my 9862 module? Because the CAN FA is much more faile to use. What do you think ?

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