Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 User Manual
Page 340

Chapter 22 3-Axis Spiral Interpolation Motion Control API | PCI-DMC-A01 / PCI-DMC-B01
22-4
Revised March, 2012
22.2 _DMC_01_start_sr_heli_xy
FORMAT
I16 PASCAL _DMC_01_start_sr_heli_xy(U16 CardNo, U16* NodeID,U16* SlotID,
I32 Center_X, I32 Center_Y, I32 Depth, I32 Pitch, I16 Dir, I32 StrVel, I32 MaxVel, F64 Tacc,
F64 Tdec)
Purpose
3-axis Spiral interpolation motion using relative coordinates with S-curve velocity
cross-section.
Parameters
Name
Data Type
Unit
Description
CardNo U16
Number
Unit
CardNo is between 0~15
NodeIDArray
U16*
Number Unit
Holds Node ID sets used for spiral interpolation
NodeIDArray[0] = Node_1
NodeIDArray[1] = Node_2
NodeIDArray[2] = Node_3
SlotID
U16*
Number Unit
Slot ID
Center_X
I32
Number of
pulses
Relative center point X-coordinate on the
specified axis
Center_Y I32
Number of
pulses
Relative center point Y-coordinate on the
specified axis
Depth
I32
Number of
pulses
Relative depth to position on specified axis
(height in direction of Z)
Pitch I32
Number of
pulses
Relative height between two spirals
Dir
I16
Selection
Direction of spiral arc motion. Clockwise: 1 ;
Counterclockwise: 0
StrVel I32
Pulses per
second
Starting velocity parameter
MaxVel
I32
Pulses per
second
Maximum velocity parameter
Tacc F64
Second
Specified
acceleration
time
Tdec
F64
Second
Specified deceleration time