Chapter 6 Machine Control Data; Machine Positioning Data - Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual

6
MACHINE CONTROL DATA
6.1

Machine Positioning Data

The machine positioning data area used in machine program operation is shown below.
*1
Offset Name
+0 Number of positioning points
+1 Machine No.
+2 Positioning Positioning data item
data items settings
+3
+4 Positioning data item 1
+5
 
+34 Positioning data item 16
+35
+36 Positioning Control method
point 1
+37 Coordinate system
setting
+38 Command speed
+39
+40 Point block No.
+41 Auxiliary point/central
point block No.
+42 Unusable
+43
+44 Expansion point item
settings
+45 Unusable
+46 Expansion point data item
1
+47
 
+76 Expansion point data item
16
+77
 
Description
Set the number of positioning points.
Set the control target machine No.
Set positioning data. Set enable/
disable in bit units.
Set the setting values of positioning
data in 2 words.
Set the control method.
Set the coordinate system of the
positioning point.
Set the positioning speed.
Set the point block No. of the
positioning point.
Set the point block No. of the
auxiliary point/central point during
circular interpolation.
Set to 0.
Set the expansion point data to be
used by each positioning point. Set
enable/disable in bit units.
Set to 0.
Set the setting values of expansion
point data in 2 words.

Setting range
■When starting with Motion dedicated
PLC instruction (M(P).MCNST/
D(P).MCNST)
1 to 128
■When starting with Motion dedicated
function (MCNST)
*2
1 to 256
1 to 8
0: Invalid
1: Valid
(Page 57 Positioning data item
settings)
Range of the data items set to "1:
Valid" in positioning data item settings
(Page 57 Positioning data item
settings)
Page 57 Control method
0: World coordinate system
1: Base coordinate system
3: Joint coordinate system
0: Take speed from previous point
1 to 2147483647: Command speed
1 to 8192
0: Not used
1 to 8192: Point block No.
0
0: Invalid
1: Valid
(Page 58 Expansion point item
settings)
0
Range of the data items set to "1:
Valid" in expansion point data items.
(Page 58 Expansion point item
settings)

6 MACHINE CONTROL DATA
6.1 Machine Positioning Data
Data type
16-bit integer
(signed)
16-bit integer
(signed)
32-bit (bit string)
6
32-bit integer
(signed)
16-bit integer
(signed)
16-bit integer
(signed)
32-bit integer
(signed)
16-bit integer
(signed)
16-bit integer
(signed)

16-bit (bit string)

32-bit integer
(signed)

55