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Chapter 3 Operating Principles | PCI-DMC-A01 / PCI-DMC-B01
Revised March, 2012 3-31
3.10 Arc Interpolation Motion Control
3.10.1 Overview
PCI-DMC-A01 supports 2-axis arc interpolation in absolute or relative coordinate
motion modes under the S-curve or T-curve velocity cross-section. Fig. 3.44 illustrates
arc interpolation on any 2 axes.
The start point is P0 (X0, Y0) and end point is P1(X1, Y1). The path from P0 to P1
forms an arc. The maximum velocity is the tangential velocity.
P1
P0
Cent
Figure 3.47
3.10.2 Function List
Table 3.10
Function Name
_DMC_01_start_tr_arc_xy
_DMC_01_start_sr_arc_xy
_DMC_01_start_ta_arc_xy
_DMC_01_start_sa_arc_xy
_DMC_01_start_tr_arc2_xy
_DMC_01_start_sr_arc2_xy
_DMC_01_start_ta_arc2_xy
_DMC_01_start_sa_arc2_xy
_DMC_01_start_tr_arc3_xy
_DMC_01_start_sr_arc3_xy
_DMC_01_start_ta_arc3_xy
_DMC_01_start_sa_arc3_xy