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SEA-9521 and BiSS-C


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I'm trying to communicate with a Netzer DS-70 using a cRIO 9063 with a SEA-9521 card. I already have the FPGA and RT VIs written, but I'm constantly getting a time-out from the hardware. I have verified that everything is wired correctly and powered, but there is consistently a time-out.

 

I believe the biggest issue is that the encoder uses a 6 bit CRC and an ACK bit that lasts the length of a clock cycle. I believe this is throwing off the timing of the communication.

 

Does anyone have any experience using these encoders or this cRIO modules?

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