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Synchronization

Use shared triggers and clocks to synchronize data between:

  • Multiple devices

  • Multiple subsystems in a device (analog input, analog output, counter input, etc.)

  • Multiple CompactDAQ or PXI chassis

    Note:   Counter output channels run independently and are unaffected by synchronization connections.

    Tip   To achieve perfect synchronization, you must share both a trigger and a clock between your devices.

Use addTriggerConnection to add trigger connections, and addClockConnection to add a scan clock.

You can share trigger and clock connections to synchronize operations within a session. Synchronization connections can be:

  • Devices in a session connected to a trigger or clock source on another device in the session

  • Devices and chassis in a session connected to a trigger or clock source on another device in the session

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