Waveform display device that performs automatic extraction
A waveform display device is provided that extracts data of a required portion from data outputted from a numerical control. A waveform display device includes: a data acquisition part that acquires a predetermined type of data from output data outputted from a numerical control; a condition determination part that determines a start condition and end condition for extracting partial data from the predetermined type of data based on information from the numerical control; a data extraction part that extracts the partial data corresponding to the start condition and end condition from the predetermined type of data; and a waveform display part that displays the partial data extracted as a waveform.
1. A waveform display device, comprising:
a data acquisition part that acquires a plurality of predetermined types of data from output data outputted from a numerical control, wherein the plurality of predetermined types of data include a program number of a processing program outputted from the numerical control, line number of a program, position command and operating state of the numerical control;
a condition determination part that determines a start condition and an end condition for extracting partial data from the plurality of predetermined types of data based on at least one among the program number of the processing program outputted from the numerical control, line number of the program, position command and operating state of the numerical control;
a data extraction part that extracts each partial data corresponding to the start condition and end condition from each of the plurality of predetermined types of data; and
a waveform display part that displays the partial data associates waveforms of each partial data with time, unifies and displays waveforms of each partial data.
2. The waveform display device according to claim 1 , wherein the condition determination part determines the start condition and the end condition, based on input information from external equipment and information from the numerical control.
3. The waveform display device according to claim 2 , wherein the input information is a time set in advance, and the condition determination part determines the start condition and the end condition based on the time set in advance and the information from the numerical control.
4. The waveform display device according to claim 2 , wherein the condition determination part determines an elapse of a fixed time period since the start condition being established as the end condition.
5. The waveform display device according to claim 1 , wherein the condition determination part determines an event of the position command of the processing program starting as the start condition, at a specific program number and specific program line number of the processing program outputted from the numerical control, and wherein the condition determination part determines the event of the position command ending as the end condition, at a specific program number and specific program line number of the processing program outputted from the numerical control.