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Chapter 6 Sequence Program Used for Positioning Control
Servo ON conditions
Setting of servo parameter
PLC READY signal [Y0] ON
All axis servo ON [Y1] ON
Starting conditions
To start the control, the following conditions must be satisfied.
The necessary start conditions must be incorporated in the sequence program so
that the control is not started when the conditions are not satisfied.
(1) Operation state
Monitor item
Operation state
Buffer memory address
LD77MS2
LD77MS4
LD77MS16
Md.26
Axis operation status "0: Standby" or "1: Stopped"
809+100n
2409+100n
n: Axis No.-1
(2) Signal state
Signal name
Signal state
Device
LD77MS2
LD77MS4
LD77MS16
Interface
signal
PLC READY signal
ON PLC CPU preparation completed
Y0
READY signal
ON LD77MS preparation completed
X0
All axis servo ON
ON All axis servo ON
Y1
Synchronization flag ON
LD77MS buffer memory
Accessible
X1
Axis stop signal
OFF Axis stop signal is OFF
Y4 to Y7
Cd.180
Axis stop
M code ON signal
OFF M code ON signal is OFF
X4 to X7
Md.31
Status: b12
Error detection signal
OFF There is no error
X8 to XB
Md.31
Status: b13
BUSY signal
OFF BUSY signal is OFF
XC to XF
X10 to X1F
Start complete signal
OFF Start complete signal is OFF
X10 to X13
Md.31
Status: b14
External
signal
Forced stop input signal ON There is no forced stop input
–
Stop signal
OFF Stop signal is OFF
–
Upper limit (FLS)
ON Within limit range
–
Lower limit (RLS)
ON Within limit range
–
: When the synchronous setting of the PLC CPU is made in the nonsynchronous mode, this must be
provided as an interlock.
When it is made in the synchronous mode, no interlock must be provided in the program because the flag is
turned ON when calculation is run on the PLC CPU.
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
Страница 2: ......
Страница 30: ...MEMO ...
Страница 70: ...2 10 Chapter 2 System Configuration MEMO ...
Страница 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
Страница 103: ...3 33 Chapter 3 Specifications and Functions MEMO ...
Страница 107: ...3 37 Chapter 3 Specifications and Functions MEMO ...
Страница 111: ...3 41 Chapter 3 Specifications and Functions MEMO ...
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 ...
Страница 440: ...MEMO ...
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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