Finding a TSN-Enabled Switch for Synchronizing NI TSN Devices

Updated Jan 10, 2025

Reported In

Hardware

  • Industrial Controller
  • CompactRIO Controller
  • CompactDAQ Controller

Issue Details

I am using the Sync model of CompactDAQ (cDAQ), CompactRIO (cRIO), or Industrial Controller and am utilizing Time Sensitive Networking (TSN). I need to purchase Ethernet switches that are TSN-compatible to use in my network. Does NI have a recommended switch I can use for my application?

Solution

For applications requiring 802.1AS Time-Based synchronisation NI recommends cRIO-9805 Ethernet Switch Expansion Module. Further information on this switch can be found in the cRIO-9805 Specifications. This module can be used with layer 1 fiber to copper converters should you wish to use SFP ports for fiber optic cables. 

However, if you require support for other profiles such as IEEE 1588 or 802.1Qbv, you can look for third-party switches from other manufacturers.  You will need to ensure the network switch that you choose also supports IEEE 802.1AS PTP.  That is our current TSN capabilities on cDAQ and cRIO which the switch will need to perform to.

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