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7 - 4
Chapter 7 Memory Configuration and Data Process
Parameter area (a)
Positioning data area
(No.1 to 600)
Block start data area
(No. 7000 to 7004)
Monitor data area
Control data area
Servo parameter area
User accesses
here.
Data is backed up
here.
LD77MS
Buffer memory/Internal memory
Positioning data area
(No.1 to 600)
Block start data area
(No.7000 to 7004)
Flash ROM
Servo parameter area
Internal memory
(nonvolatile)
Parameter area (b)
Parameter area (c)
Parameter area (a)
Parameter area (b)
Parameter area (c)
Area name
Description
Parameter area (a)
Parameters validated when PLC READY signal
[Y0] changes from OFF to ON
[Pr.1] to [Pr.7], [Pr.11] to [Pr.24], [Pr.43] to [Pr.57],
[Pr.80] to [Pr.83], [Pr.89] to [Pr.95], [Pr.100], [Pr.801],
[Pr.805] to [Pr.807]
Parameter area (b)
Parameters validated when the TO command is
executed from the PLC CPU (validated when
the next control is started after the TO
command is executed)
[Pr.8] to [Pr.10], [Pr.25] to [Pr.42], [Pr.84]
Parameter area (c)
Parameters validated with power supply
ON/PLC CPU reset
[Pr.91] to [Pr.94], [Pr.96], [Pr.97], [Pr.114], [Pr.800] to
[Pr.807]
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 ...
Page 1039: ......