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Encoder Line Divider Measurement

In line scan cameras, the encoder line divider measurement feature gets the measured period of the line trigger pulses at the output of the divider set by the encoder line divider. This measurement helps determine the appropriate value of the encoder timeout.

The measured time interval is reported in cycles of the camera’s timestamp clock, not in microseconds. The frequency of this clock is determined by the GEV Timestamp Tick Frequency, which varies by camera model. For example:

  • 10GigE cameras use a frequency of 150,000,000 Hz (150 MHz)
  • 25GigE and 100GigE cameras use a frequency of 400,000,000 Hz (400 MHz)

To convert the reported value to seconds, divide it by the value of GEV Timestamp Tick Frequency. For example, a measured interval of 3,000,000 cycles represents 20 ms on a 150 MHz clock.

See also:

GP_ENC_LINE_DIV_MEAS node

  • Access mode: Read only
  • Node type: Uint32

You can use the eSDK API functions to get the node’s current value.

For information about related features, see General Purpose Input/Output Control Features.

Updated on
July 29, 2025
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