Enabling and Configuring Triggers for Data Logging

Add a trigger and configure the start and the stop conditions for logging data during a test.

This feature is only available as part of a complete FlexLogger license. Refer to FlexLogger Editions for more information.

Add and configure data logging triggers in the Logging trigger section of your Logging Specification document.
You create a trigger when you set the conditions in the Logging Specification. You can enable or disable the trigger from any project document by using the Triggers toggle in the toolbar.

  1. Select from the following Start conditions.
    OptionDescription
    Test start Manually begin logging by clicking RUN.
    Channel value change Begin logging when the value of the channel meets the specified Value change condition. When you select this condition, FlexLogger enables the logging trigger on the toolbar.
    To start logging before the channel meets the value change conditions, specify the Leading time to include.
    Note You cannot log data before the test starts.
    Absolute time Begin logging at a designated date and time. When you select this condition, FlexLogger enables the logging trigger on the toolbar.
    Note If the time is in the past, logging begins immediately when the test starts.
  2. Select from the following Stop conditions.
    OptionDescription
    Test stop Manually stop logging by clicking STOP.
    Channel value change Stop logging when the value of the channel meets the specified Value change condition. When you select this condition, FlexLogger enables the logging trigger on the toolbar.

    To log data each time the channel meets the trigger conditions, check Enable re-triggering.

    To keep logging after the channel meets the value change conditions, specify the Trailing time to include.

    Note When you pause a test, FlexLogger ignores the trigger condition. Data logging stops when the test stops.
    Test time elapsed Stop logging after a designated duration of time has elapsed. When you select this condition, FlexLogger enables the logging trigger on the toolbar.
    Note When you pause a test, FlexLogger pauses the duration timer.
  3. Select the logging behavior you want while the trigger conditions are not met.
    OptionDescription
    Do not log data FlexLogger does not log data.
    Log data at FlexLogger logs data at the rate you specify until the start condition is met. Then, FlexLogger logs at the channel rate until the stop condition is met.
    FlexLogger summarizes the trigger conditions in the Logging summary. To revert to the default configuration, click Reset logging trigger.
FlexLogger starts logging data at the following rates and the following times.
Table 40. Logging rate based on scenario
Logging rate Scenario
Channel rate The trigger conditions are met.
Logging rate you specify in When trigger conditions are not met The trigger conditions are not met.
If the trigger conditions are met when you click RUN, FlexLogger begins logging at the channel rate immediately.