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Chapter 6 Sequence Program Used for Positioning Control
Machine OPR operation timing and process time
[LD77MS4 operation example]
BUSY signal
Standby
OPR
Standby
Positioning operation
t1
t4
t2
t3
Md. 26 Axis operation status
OPR request flag
( Md. 31 Status: b3)
Positioning start
signal
[Y10, Y11, Y12, Y13]
[XC, XD, XE, XF]
Start complete signal
[X10, X11, X12, X13]
OPR complete flag
( Md. 31 Status: b4)
(Note): Refer to Section 3.3 for input/output signal of LD77MS16.
Fig. 6.9 Machine OPR operation timing and process time
Normal timing time
Unit: [ms]
Operation
cycle
t1 t2 t3 t4
LD77MS2
0.88
0.2 to 0.3
1.8 to 2.7
0 to 0.9
0 to 0.9
1.77
0.2 to 0.3
2.5 to 4.2
0 to 1.8
0 to 0.9
LD77MS4
0.88
0.2 to 0.3
1.8 to 2.7
0 to 0.9
0 to 0.9
1.77
0.2 to 0.3
2.5 to 4.2
0 to 1.8
0 to 0.9
LD77MS16
0.88
0.3 to 1.4
3.0 to 3.3
0 to 0.9
0 to 0.9
1.77
0.3 to 1.4
3.6 to 4.7
0 to 1.8
0 to 1.8
The t1 timing time could be delayed depending on the operating conditions of the
other axis.
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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