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Chapter 9 Major Positioning Control
(2) The following shows a start time chart.
[LD77MS4 operation example]
Positioning start signal
PLC READY signal
READY signal
Start complete signal
BUSY signal
Positioning complete signal
9003
V
t
Error detection signal
50000
Start of data No. 9003
Data No. during positioning execution
Address during positioning execution
Md.20 Current feed value
Cd.3 Positioning start No.
50000
[Y10]
[Y0]
[X0]
[X10]
[XC]
[X14]
[X8]
Cd.9 New current value
(Note): Refer to Section 3.3 for input/output signal of LD77MS16.
Fig. 9.21 Changing to a new current value using the current value changing start No. (No. 9003)
(3) Add the following sequence program to the control program, and write it to the
PLC CPU.
Current value changing
Store new current feed value in D106 and D107
[LD77MS4 program example]
X8
Y10
X10
DX0C
0
<Pulsate current value changing command>
<Write current value changing to the LD77>
<Write the current value changing (9003)>
<Execute current value changing>
PLS
M103
SET
Y10
X4A
<Turn OFF positioning start signal>
X10
Y10
K1500
K9003
K1
RST
Y10
M103
11
D106
K1
H0
K1506
DTOP
H0
TOP
28
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
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Страница 70: ...2 10 Chapter 2 System Configuration MEMO ...
Страница 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
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Страница 115: ...3 45 Chapter 3 Specifications and Functions MEMO ...
Страница 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Страница 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
Страница 342: ...5 202 Chapter 5 Data Used for Positioning Control MEMO ...
Страница 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
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Страница 485: ...9 25 Chapter 9 Major Positioning Control MEMO ...
Страница 594: ...9 134 Chapter 9 Major Positioning Control MEMO ...
Страница 624: ...10 30 Chapter 10 High Level Positioning Control MEMO ...
Страница 656: ...11 32 Chapter 11 Manual Control MEMO ...
Страница 690: ...12 34 Chapter 12 Expansion Control MEMO ...
Страница 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
Страница 866: ...14 68 Chapter 14 Common Functions MEMO ...
Страница 884: ...15 18 Chapter 15 Dedicated Instructions MEMO ...
Страница 899: ...16 15 Chapter 16 Troubleshooting MEMO ...
Страница 1036: ...Appendix 88 Appendices MEMO ...
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