HCLT INTERFACING

METRIGUARD HCLT MACHINE STRESS GRADER INTERFACING

Tadpole provides advanced interfacing software for the HCLT. This software can run on a separate buffer PC or on the main Tadpole PC. The interfacing software is necessary because the HCLT does not currently buffer the output data.

The HCLT interfacing software has built-in error checking algorithims to ensure that any erroreous data received from the HCLT does not interfere in it's correct functioning. Whenever an error is found in the received data, as does happen from time to time, the type of error encountered is indicated.

The interfacing software can also filter the data from the HCLT to reduce the volume of readings taken on each piece to a more manageable number than the default setting of approximately 71 data points per metre length of timber.

The interfacing software can be set to generate a signal that can be used to operate a marker or other equipment to indicate that a rejected piece has a merchantable section of a preset minimum length present. This is very handy if there are sticks with only small sections of downgrade present meaning the piece can be docked to a merchantable grade of shorter length. This action is controlled by the main Tadpole software which automatically sends relevant settings to the interfacing software whenever a new run is started with different local-E thresholds.

A "SAMPLE" signal from the main Tadpole PC can be used to activate external equipment to mark or redirect individual sticks if a buffer PC is being used to run the interfacing software.

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