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7 - 18
Chapter 7 Memory Configuration and Data Process
Transfer the servo parameter at this point to the servo amplifier
Md.26 Axis operation
status
Communication
operation status with
servo amplifier
Servo parameter of
buffer memory/internal
memory
0 (Standby)
21 (Servo OFF)
20 (Servo amplifier has not been connected/servo amplifier power OFF)
Communication start valid
Communication invalid
During
communication
Communication start (Axis connection)
PLC READY [Y0]
READY [X0]
Write value by sequence program/GX Works2
Indefinite value
Value of internal memory (nonvolatile)
Servo parameter setting from
sequence program/GX Works2 (A)
PLC CPU
RUN
Initialization
completion
of LD77MS
Buffer memory/
internal memory
data setting
Axis connection completion
LD77MS
power ON
PLC READY
signal [Y0]
OFF ON (B)
Fig. 7.2 When the servo amplifier had started before the system's power supply ON
(The servo series of internal memory (nonvolatile) is not set.)
(2) When the servo amplifier's power supply is turned ON after the PLC READY
signal [Y0] is turned OFF to ON (Fig. 7.3 (C)).
Communication start timing to the servo amplifier: When the servo amplifier
had started (Fig. 7.3 (B)).
Transfer the servo parameter : The data written from
sequence program/
GX Works2 before the
PLC READY signal [Y0]
ON (Fig. 7.3 (A)).
Servo parameter setting from
sequence program/GX Works2 (A)
PLC CPU
RUN
Initialization
completion
of LD77MS
Buffer memory/
internal memory
data setting
Axis connection completion
0 (Standby)
21 (Servo OFF)
20 (Servo amplifier has not been connected/servo amplifier power OFF)
Md.26 Axis operation
status
Communication
operation status with
servo amplifier
Servo parameter of
buffer memory/internal
memory
LD77MS
power ON
PLC READY [Y0]
READY [X0]
Write value by sequence program/GX Works2
Indefinite value
Value of internal memory (nonvolatile)
Communication start valid
Servo amplifier
power ON (B)
PLC READY
signal [Y0]
OFF ON (C)
Communication invalid
During
communication
Communication start
(Axis connection)
Transfer the servo parameter at this point to the
servo amplifier
Fig. 7.3 When the servo amplifier had started after the PLC READY signal [Y0] is turned OFF to ON
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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