Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 - Manual (Page 305)

Chapter 20 2-Axis Arc Interpolation Motion Control API | PCI-DMC-A01 / PCI-DMC-B01
Revised March, 2012 20-17
20.8 _DMC_01_start_sa_arc2_xy
 FORMAT
I16 PASCAL _DMC_01_start_sa_arc2_xy(U16 CardNo, U16* NodeID,U16* SlotID, I32 End_X,
I32 End_Y, F64 Angle, I32 StrVel, I32 MaxVel, F64 Tacc, F64 Tdec)

Purpose
2-axis arc interpolation motion using absolute coordinates with S-curve velocity cross-section
(Known conditions: endpoint coordinates, angle).

Parameters
Name Data Type Unit Description
CardNo U16 Number Unit
Node ID of card used for motion displacement
along X-axis and Y-axis
NodeIDArray U16* Number Unit
Holds Node ID sets used for arc interpolation
NodeIDArray[0] holds the 1st set of Node ID
NodeIDArray[1] holds the 2nd set of Node ID
SlotID U16* Number Unit Slot ID
End_X I32 Number of pulses
Absolute endpoint X-coordinate on the
specified axis
End_Y I32 Number of pulses
Absolute endpoint Y-coordinate on the
specified axis
Angle F64 Degree (°) Set arc angle. One full arc is 360 o
StrVel I32
Pulses per
second
Starting velocity parameter
MaxVel I32
Pulses per
second
Tangential velocity parameter
Tacc F64 Second Specified acceleration time
Tdec F64 Second Specified deceleration time