9 - 23
MELSEC-Q
9 MAJOR POSITIONING CONTROL
Starting the interpolation control
The positioning data Nos. of the reference axis (axis in which interpolation control
was set in " Da.2 Control system") are started when starting the interpolation
control. (Starting of the interpolation axis is not required.)
The following errors or warnings will occur and the positioning will not start if both
reference axis and the interpolation axis are started.
•
Reference axis
: Interpolation while interpolation axis BUSY (error code:
519)
•
Interpolation axis : Control system setting error (error code: 524), start during
operation (warning code: 100).
Interpolation control continuous positioning
When carrying out interpolation control in which "continuous positioning control"
and "continuous path control" are designated in the operation pattern, the
positioning method for all positioning data from the started positioning data to the
positioning data in which "positioning complete" is set must be set to interpolation
control.
The QD75 may malfunction if a control system other than interpolation control is
set.
Speed during interpolation control
Either the "composite speed" or "reference axis speed" can be designated as the
speed during interpolation control.
(
Pr.20
Interpolation speed designation method.)
Only the "Reference axis speed" can be designated in the following interpolation
control.
When a "composite speed" is set and positioning is started, the "Interpolation
mode error (error code: 523)" occurs, and the system will not start.
• 4-axis linear interpolation
• 2-axis speed control
• 3-axis speed control
• 4-axis speed control
Cautions in interpolation control
(1) If either of the axes exceeds the " Pr.8 Speed limit value" in the 2- to 4-axes
speed control, the axis which exceeded the speed limit value is controlled by
the speed limit value.
For the other axes which perform interpolation, the speed can be suppressed
by the ratio of a command speed.
If the reference axis exceeds " Pr.8 Speed limit value" during 2- to 4-axis
linear interpolation control, 2- to 4-axis fixed-feed control or 2-axis circular
interpolation control, the reference axis is controlled at the speed limit value.
(The speed limit does not function on the interpolation axis side.)
(2) In 2-axis interpolation, you cannot change the combination of interpolated axes
midway through operation.
Summary of Contents for MELSEC-Q QD75M
Page 1: ...MELSEC Q QD75M Positioning Module User s Manual Details QD75M1 QD75M2 QD75M4 ...
Page 17: ...MEMO ...
Page 64: ...3 11 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO ...
Page 91: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO ...
Page 108: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 112: ...5 21 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 116: ...5 25 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 138: ...5 47 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 182: ...5 91 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 188: ...5 97 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 194: ...5 103 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 253: ...5 162 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 274: ...6 21 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 275: ...6 22 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 276: ...6 23 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 277: ...6 24 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 278: ...6 25 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 279: ...6 26 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 280: ...6 27 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 300: ...6 47 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 301: ...6 48 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 304: ...6 51 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 305: ...6 52 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 332: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 336: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 347: ...MEMO ...
Page 477: ...9 116 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 539: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO ...
Page 663: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 771: ...Appendix 2 MELSEC Q APPENDICES MEMO ...
Page 845: ...Appendix 76 MELSEC Q APPENDICES MEMO ...
Page 855: ...Index 10 X X0 QD75 READY 3 15 X1 Synchronization flag 3 15 Z Zero speed Pr 130 5 74 ...