How to use sda6810 to receive data from a rs485 channel?

I want to use sda6810 to anlyze data from a rs485 bus. So I use Labview to progame the sda6810 with the drivers.Firstly,I intilite the card,then I cofigued an channel to send data from a buffer,and configued another channel to receive data from the first chanel . But unfortunatly the data I received was not equal to the data I sended.And there are not any error messages indicated in Labview
And when I try to use the GP channel,I found it worked properly.please tell me how I can solve the problem?

I really apreciate your help.You told me that
I should use the exameples which shipped with sda driver firstly. I do used them,and it worked correctly.So I think the connections was being setup properly.And I
used labview to progame the rs485 channel
. It do received something .But it was incorrect.
I would be grateful if you could send me an
example writted by labview,or you could tell
me you e-mail address.
Here is my code .
Attachments:
youyou2.zip ‏110 KB

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