8 Application ExamplesDVP-PM Application Manual8-10Ladder diagram: Operations:G0G90X1.759Y87.87G1Z0.0F19.4．．．G0X56.164Z5.0G-Code (NC-Code) which draws trajectionsWhen the program sections 1 ~ 4 are completed, drawing of letters, graphs or any texts by DVP-PM can beperformed by DVP-PM8.3 Planning Variable Speed OperationThis section introduces how to trigger many segments of speed (variable speed) in a fixed route by usingsingle-speed positioning mode.8.3.1 Program structure1. Trigger condition 1: external input signal. X0 ~ X3 switches to the 2 nd ~ 5 th speed.2. Trigger condition 2: comparison results of CP. M0 ~ M3 switches to the 2 nd ~ 5 th speed.3. Trigger condition 3: Timer. T0 ~ T3 switches to the 2 nd ~ 5 th speed.T ACCT DECT ACCT ACC T DECT DECV BIASStartX0 X1 X2 X3M0 M1 M2 M3T0 T1 T2 T3X7Frequency (Hz)Time (ms)Number ofpulses inSegment 1Number ofpulses inSegment 2Number ofpulses inSegment 3Number ofpulses inSegment 4Number ofpulses inSegment 5Trigger condition 1Trigger condition 2Trigger condition 3DD1838 (total number of output pulses) = number of pulses in Segment 1 + Segment 2 + … + Segment 5
