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在CAN总线上进行大量信息传输时有消息有延时 在CAN总线上传输信息比较少时，我传输的消息没有问题，但是一旦传输的消息比较多时，我就看到有延时。为什么会这样？ URL: http://digital.ni.com/public.nsf/allkb/E8EA69645B0554DE482571BF0010F13B

Get Poll Connection Input & Output Size and Set the Connection Attributes My DeviceNet slave device supports Poll connection. I want to get the slave device input/output size by programming as Configurator (SimpleWho in the older NI-DNET version) does. What's more, I want to set the related producer/consumer path. URL: http://digital.ni.com/public.nsf/allkb/04114873FFF97BB3482571990008758A

Finding the Message a CAN Channel Belongs to Using GetNames.vi How Do I Find Out What Message my CAN Channel Belongs to When I use the GetNames VI in LabVIEW? URL: http://digital.ni.com/public.nsf/allkb/C0304992682E1B8086257189007A87C0

Integrate NI DeviceNet Interface into a PLC-based DeviceNet Network I have a DeviceNet network with the Allen-Bradley PLC as the DeviceNet master. I use RSLinx, RSNetworx and RSLogix to configure the DeviceNet devices. How can I integrate a National Instruments PXI system into my existing network? URL: http://digital.ni.com/public.nsf/allkb/FF5A2B77E6F12BF04825717300086F4C

Message Delays on CAN Bus with High Bus Traffic When the CAN bus traffic is low, my messages transmit perfectly, but when the bus traffic becomes high, I start seeing delays. Why is this happening? URL: http://digital.ni.com/public.nsf/allkb/4659C4A3BB382E778625716600572EF5

Error -1074388969 When Running a CAN Program I am getting 'Error -1074388969 occurred at an unidentified location' when I run my CAN application in LabVIEW. The description is: NI-CAN: (Hex 0xBFF62017) This attribute's value must be provided prior to the Open. Solutions: Set the attribute using the Config function before the URL: http://digital.ni.com/public.nsf/allkb/7D9383E9BEAD0B21862571640002F687

Can I Set a Buffer Size For My Reads and Writes Using NI-CAN? Problem: Can I set a buffer size for my CAN reads and writes using NI-CAN? Solution: If you are using the channel API, you can't set the buffer size for CAN reads because all memory management for the channel API is done by the system RAM. URL: http://digital.ni.com/public.nsf/allkb/A0D719ABE36DD0E78625715E0012A079

How do I Read All Available Samples in the CAN Buffer? How do I read all available samples in the CAN buffer using the CAN Read VI? URL: http://digital.ni.com/public.nsf/allkb/C7B048CD2501EF5A86257157005D6126

ncWaitForState Timeout Waiting for Write Success During Periodic Transfer I am using ncWaitForState to wait for the Write Success condition, to ensure that all written frames have been transmitted. When I am performing a period transfer, I receive a timeout error (0xBFF62001) on my second iteration. My first write works fine. Why does my second write cause this URL: http://digital.ni.com/public.nsf/allkb/3C89E2ED19D3C8368625714E0059258A

NI-CAN Test Panels Display Error Messages About cwui.ocx I am trying to view the test panels for my NI-CAN Channels, but I receive error messages stating that I am using an evaluation version of cwui.ocx, or that my version of cwui.ocx is too old. How can I use my NI-CAN test panels? URL: http://digital.ni.com/public.nsf/allkb/4B46574BAB38A825862571420001C20B