Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 - Manual (Page 325)

Chapter 20 2-Axis Arc Interpolation Motion Control API | PCI-DMC-A01 / PCI-DMC-B01
Revised March, 2012 20-37
20.18 _DMC_01_start_v3_spiral_xy
 FORMAT
I16 PASCAL _DMC_01_start_v3_spiral_xy (U16 CardNo, U16* NodeID, U16* SlotID,
I32 Center_X, I32 Center_Y, I32 spiral_interval, I32 spiral_angle, I32 StrVel, I32 ConstVel, I32
EndVel, F64 TPhase1, F64 TPhase2, U16 m_curve,U16 m_r_a)

Purpose
2-axis spiral motion with EndVel added (Known conditions: center coordinates for X and Y
axes).
※Values of StrVel and EndVel can be greater than MaxVel.

Parameters
Name Data Type Unit Description
CardNo U16 Number Unit
Node ID of card used for motion
displacement along X-axis and Y-axis
NodeID U16* Number Unit
Holds Node ID sets used for carrying out
spiral motion
NodeID[0] holds 1st set of Node ID
NodeID[1] holds 2nd set of Node ID
SlotID U16* Number Unit Slot ID
Center_X I32 Number of pulses Center X-coordinate on specified axis
Center_Y I32 Number of pulses Center Y-coordinate on specified axis
spiral_interval I32 Number of pulses Relative distance between spirals
spiral_angle I32 Number
Total angle of spiral motion (one revolution
is 360 degrees)
StrVel I32 Pulses per second Starting velocity parameter
ConstVel I32 Pulses per second Constant velocity
EndVel I32 Pulses per second End velocity
TPhase1 F64 Second Time from StartVel to ConstVel
TPhase2 F64 Second Time from ConstVel to EndVel
m_curve U16 Selection
1: T-curve
2: S-curve
m_r_a U16 Selection
0: Relative motion displacement
1: Absolute motion displacement