Delta Electronics PCI-DMC-A01 Programming Manual page 311

Chapter 20 2-Axis Arc Interpolation Motion Control API | PCI-DMC-A01 / PCI-DMC-B01
20.11 _DMC_01_start_ta_arc3_xy
 FORMAT
I16 PASCAL _DMC_01_start_ta_arc3_xy(U16 CardNo, U16* NodeID,U16* SlotID,
I32 Center_X, I32 Center_Y,I32 End_X,I32 End_Y, I16 Dir, I32 StrVel, I32 MaxVel, F64 Tacc,
F64 Tdec)
 Purpose
2-axis arc interpolation motion using absolute coordinates with T-curve velocity cross-section
(Known conditions: center point coordinates, endpoint coordinates).
 Parameters
Name Data Type
CardNo U16
NodeIDArray U16*
SlotID U16*
Center_X
Center_Y
End_x
End_y
Dir
StrVel
MaxVel
Tacc F64
Tdec F64
Revised March, 2012
Unit
Number Unit
Number Unit
Number Unit
I32 Number of pulses
I32 Number of pulses
I32 Number of pulses
I32 Number of pulses
I16 Selection
I32 Pulses per second
I32 Pulses per second
Second
Second
Description
Node ID of card used for motion
displacement along X-axis and Y-axis
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
Slot ID
Absolute center point X-coordinate on the
specified axis
Absolute center point Y-coordinate on the
specified axis
Absolute endpoint X-coordinate on the
specified axis
Absolute endpoint Y-coordinate on the
specified axis
Specified direction (Clockwise if value is 1;
CCW if value is 0)
Starting velocity parameter
Tangential velocity parameter
Specified acceleration time
Specified deceleration time
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