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Chapter 13 Control Sub Functions
(2) The following shows the speed change time chart.
[LD77MS4 operation example]
Cd. 15 Speed change request
Cd. 14 New speed value
In speed change
processing flag
BUSY signal
READY signal
Error detection signal
V
t
1
0
0
1
0
2000
0
Start complete signal
Dwell time
PLC READY signal
Positioning start signal
Positioning complete signal
[Y10]
[Y0]
[X0]
[X10]
[XC]
[X14]
[X8]
Md. 40
All axis servo ON
[Y1]
(Note): Refer to Section 3.3 for input/output signal of LD77MS16.
Fig. 13. 24 Time chart for changing the speed from the PLC CPU
(3) Add the following sequence program to the control program, and write it to
the PLC CPU.
No.14 Speed change program
<Pulsate speed change command>
<Hold speed change command>
<Set speed change value
(20.00mm/min)>
<Set speed change request>
<Write speed change>
<Turn OFF speed change request
memory>
M11
PLS
M12
SET
M11
PLS
K2000
DMOVP
D11
M11
PLS
K1
MOVP
D13
TOP
H0
K1514
D11
K3
M12
RST
U0\
G1516
=
K0
483
490
494
X32
M11
X0C
M12
[LD77MS4 program example]
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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