331
Circular Interpolation
Section 6-4
Note
1.
The interpolation acceleration time and the interpolation deceleration time
use the acceleration and deceleration times set in the system parameters
or the times that are changed in the G-language program. (The times can
be changed by G69.)
2.
The maximum interpolation feed rate uses the value set in the system pa-
rameters.
Triangular Control
When the mode is set to the Stop Mode and if the travel time is shorter than
the sum of the interpolation acceleration time and the deceleration time, trian-
gular control will be performed, just as it is for PTP control.
When the mode is set to the Pass Mode, the travel time will not become
shorter than the preset interpolation acceleration and deceleration times, but
the speed will become slower than the designated feed rate.
The ratio between the interpolation acceleration time and the deceleration
time for triangular control is equal to the ratio between the preset interpolation
acceleration time (Ta) and the deceleration time (Td). Td’/Ta’=Td/Ta
6-4
Circular Interpolation
Overview
Mode:
Automatic;
Method:
G language (G02, G03)
Positioning for circular interpolation is performed using two axes from a start-
ing point to an ending point and traveling through a circular arc. For details on
using circular interpolation with the G language, refer to
7-3-3 G02 and G03:
CIRCULAR INTERPOLATION
.
Basic Concept
Circular interpolation is achieved by repeating successive linear interpolation
along straight lines drawn by dividing a circular arc (in the shape of a poly-
gon). The actual locus of circular interpolation is as shown below. The radius
Y-axis movements
X-axis movements
Summary of Contents for CS1W-MC221 -
Page 1: ...Motion Control Units Cat No W359 E1 04 CS1W MC221 V1 421 V1 OPERATION MANUAL ...
Page 2: ...CS1W MC221 V1 421 V1 Motion Control Units Operation Manual Revised February 2008 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 11: ...xii ...
Page 15: ...xvi ...
Page 19: ...xx ...
Page 27: ...xxviii Conformance to EC Directives 6 ...
Page 133: ...106 Installation Section 2 2 2 2 4 Dimensions CS1W MC421 CS1W MC221 ...
Page 173: ...146 Connecting Peripheral Devices Section 2 7 ...
Page 227: ...200 Command Area Section 3 6 ...
Page 351: ...324 Interface Specifics Section 5 4 ...
Page 513: ...486 Absolute Encoder Interface Specifications Section 9 7 ...
Page 575: ...548 Error Log Section 12 6 ...
Page 589: ...562 Performance Appendix A ...
Page 655: ...628 Control Bit Flag Timing Charts Appendix E ...
Page 683: ...656 Origin Search Patterns Appendix F ...
Page 685: ...658 Encoder Divider Rate and Rotation Speed for OMRON Servo Drivers Appendix G ...