I try to update the time via NTP on my X90CP174.48 ,but it failed every time. If I remove the NTP setting, I can update time manually. I sniff the wire to check that everything is communicated. I see the controller asking of time update, the NTP server respond, but the time is not updated on the …

Ok i figure it out, it seem that all traffic around the NTP protocol si block since the NTP source is unrelayable the server never come with a “Sync” status. I can figure it out hwo to find a reliable time source… Maybe GPS ou cellulaire network.

Did you define the NTP-server with an IP-address or url? For an url, also DNS has to be activated.

Since I don’t want to play with DNS, I put the IP address. I put a local NTP server under my control and the source of the NTP server that is a local source ( internet NTP sources are blocked). That explains why I’m able to capture the exchange between the X90 and the server. Also the bolt server …

Hi, how is the stratum setting of your NTP server? Maybe the PLC doesn’t accept the servers time because of stratum number is too high? Please see here the corresponding thread: [image] NTP as Server and Client Ask Questions Hello, in general this setup should be possi…

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NTP fonction not updating time

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Sangito (Tommy B. Paquette) August 21, 2024, 4:06pm 7

It could be a better ideal to explain how to make the controller a reliable source off NTP and sync everything on it.
If it drifts everybody drifts the same time.

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NTP fonction not updating time

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