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Hi, I have to deal with IRIG B protocol on a compat RIO. It's a 9074 and the IRIG signal is wired on a 9402. I searched on the NI website and found 2 libraries that seems to decode IRIG : IRIG-B Implementation in LabVIEW FPGA FPGA Timekeeper I played with the first one and succeed to get day of the year and hour, but not the year. As the second is recommended by NI to be used with 9467 and it is said to be compatible with IRIG protol ("The NI FPGA Timekeeper is LabVIEW FPGA IP designed to integrate the CompactRIO onboard field-programmable gate array (FPGA) clock with external timing sources such as SNTP, IRIG-B, and GPS."), I thought it would be a better solution. My problem is that there is no example of the use of timekeeper with IRIG protocol and I don't know how to use it in this way. Does anyone has already use timekeeper with IRIG B protocol and can give me an example? Thanks in advance BR Yann
