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Chapter 5 Data Used for Positioning Control
5.2 List of parameters
The setting items of the setting data are explained in this section.
• Guide to buffer memory address
In the buffer memory address, "n" in "1+150n", etc. indicates a value corresponding
to axis No. such as the following table.
Axis No.
n
Axis No.
n
Axis No.
n
Axis No.
n
1 0 5 4 9 8 13 12
2 1 6 5 10 9 14 13
3 2 7 6 11 10 15 14
4 3 8 7 12 11 16 15
(Note-1): Calculate as follows for the buffer memory address corresponding to each axis.
(Example) For axis No. 16
1+150n (
Pr.4
Unit magnification (AM)
)=1+150 15=2251
(Note-2): The range from axis No.1 to 2 (n=0 to 1) is valid in the LD77MS2.
(Note-3): The range from axis No.1 to 4 (n=0 to 3) is valid in the LD77MS4.
5.2.1 Basic parameters 1
Item
Setting value, setting range
Default
value
Buffer memory address
Value set with GX Works2
Value set with sequence
program
LD77MS2
LD77MS4
LD77MS16
Pr.1
Unit setting
0 : mm
0
3 0+150n
1 : inch
1
2 : degree
2
3 : PLS
3
M
ov
em
ent
am
ount
per pul
se
Pr.2
Number of pulses per
rotation (AP)
(Unit : PLS)
1 to 200000000
1 to 200000000
20000
2+150n
3+150n
Pr.3
Movement amount per
rotation (AL)
The setting value range differs according to the "
Pr.1
Unit
setting
".
20000
4+150n
5+150n
Pr.4
Unit magnification (AM)
1 : 1 times
1
1 1+150n
10 : 10 times
10
100 : 100 times
100
1000 : 1000 times
1000
Pr.7
Bias speed at start
The setting value range differs according to the "
Pr.1
Unit
setting
".
0
6+150n
7+150n
n: Axis No.-1
Summary of Contents for MELSEC-L Series
Page 2: ......
Page 30: ...MEMO ...
Page 70: ...2 10 Chapter 2 System Configuration MEMO ...
Page 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
Page 103: ...3 33 Chapter 3 Specifications and Functions MEMO ...
Page 107: ...3 37 Chapter 3 Specifications and Functions MEMO ...
Page 111: ...3 41 Chapter 3 Specifications and Functions MEMO ...
Page 115: ...3 45 Chapter 3 Specifications and Functions MEMO ...
Page 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Page 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
Page 342: ...5 202 Chapter 5 Data Used for Positioning Control MEMO ...
Page 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
Page 440: ...MEMO ...
Page 485: ...9 25 Chapter 9 Major Positioning Control MEMO ...
Page 594: ...9 134 Chapter 9 Major Positioning Control MEMO ...
Page 624: ...10 30 Chapter 10 High Level Positioning Control MEMO ...
Page 656: ...11 32 Chapter 11 Manual Control MEMO ...
Page 690: ...12 34 Chapter 12 Expansion Control MEMO ...
Page 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
Page 866: ...14 68 Chapter 14 Common Functions MEMO ...
Page 884: ...15 18 Chapter 15 Dedicated Instructions MEMO ...
Page 899: ...16 15 Chapter 16 Troubleshooting MEMO ...
Page 1036: ...Appendix 88 Appendices MEMO ...
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