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MELSEC-Q
9 MAJOR POSITIONING CONTROL
9.2.4 3-axis linear interpolation control
In "3-axis linear interpolation control" (" Da.2 Control system" = ABS linear 3, INC
linear 3), three motors are used to carry out position control in a linear path while
carrying out interpolation for the axis directions set in each axis.
(Refer to section "9.1.6 Interpolation control" for details on interpolation control.)
[1] 3-axis linear interpolation control (ABS linear 3)
Operation chart
In the absolute system 3-axis linear control, using an address established by a
machine OPR in the 3-axis coordinate space, a linear interpolation positioning is
carried out from the current stop position (start point address) to the address (end
point address) set in the " Da.6 Positioning address/movement amount".
End point address (X
2
,Y
2,
Z
2
)
(Positioning address)
Movement by linear interpolation
of the X axis, Y axis and Z axis
Y axis movement amount
Start point address (X
1
,Y
1
,Z
1
)
(Current stop position)
Forward direction (X axis)
Forward direction (Z axis)
Reverse direction
Forward direction
(Y axis)
X axis movement amount
Z ax
is m
ove
men
t am
ou
nt
Reverse direction Reverse direction
End point address
(positioning address)
Axis 2 movement amount (8000-2000=6000)
Start point address
(current stop position)
Axis 1
Axis 3
Axis 2
8000
Axis 3 movement amount
(4000-1000=3000)
4000
2000
1000
1000
0
4000
Axis 1 movement amount
(4000-1000=3000)
Example
When the start point address (current stop positon) is (1000, 2000, 1000) and the end point address
(positioning address) is (4000, 8000, 4000), positioning is carried out as follows.
Summary of Contents for QD75M1
Page 17: ...MEMO...
Page 71: ...3 20 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO...
Page 87: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO...
Page 98: ...5 11 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 104: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 108: ...5 21 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 112: ...5 25 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
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Page 249: ...5 162 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 270: ...6 21 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL...
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Page 328: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 332: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 339: ...MEMO...
Page 529: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO...
Page 621: ...12 92 MELSEC Q 12 CONTROL SUB FUNCTIONS MEMO...
Page 647: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO...
Page 755: ...Appendix 2 MELSEC Q APPENDICES MEMO...
Page 758: ...Appendix 5 MELSEC Q APPENDICES Axis address mm inch degree PLS Axis address mm inch degree PLS...
Page 879: ...Index 14 MEMO...