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USB-8476 LIN2.1 Communication

Hello everyone.

I want to communicate with my device using USB-8476 in labview.(LIN2.1&Baud rate19200)

I referenced the related posts in the forum and used the DirkW upload example (thanks to share). link

But my problem is still not solved. My specific needs are as follows:
Send Frame ID: 0x3C Receive Frame ID: 0x3D
Communication steps(please specify if there are errors):

       1. Send full frame ID: 0x3C DATA: 1A 02 10 01 00 00 00 00
       2. Send header frame ID: 0x3D
       3. Receive Slave's reply
The current situation is that I can't receive any information, see the attachment for the result.

I considered whether it was because of LIN 2.1, I tried Tom_Brackman's sharing, and I still couldn't receive the data. link

I read in a file that frames with IDs 0x3C and 0x3D can only be checked with classic checksum.Is that right?
Both LINx and Baud rate options have confirmed no problems. I use the Vector CANoe panel to send the device. Send ID: 0x3C 1A 02 10 01 00 00 00 00, after three consecutive transmissions, the reply can be read at ID: 0x3D.So is it a problem with the device?
In addition, I also wonder if I need to import LDF. How to import? There is a "NI USB-8476 LIN Example using a v2.1LDF" in the forum, but I can't use it.link

Who can come and give me an answer, thank you very much!

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