76
Overall Structure
Section 4-1
4-1
Overall Structure
The PCU is used by exchanging data with the CPU Unit as shown in the fol-
lowing diagram.
PCU's Internal Memory
CPU Bus Unit Area
User-specified words
(Input)
(Output)
PCU
CPU Unit
Status/Data
Result
Settings
Commands
Servo Drive
Status
Axis parameters
Flash memory
Save data
Common Operating
Memory Area
I/O refresh
Axis Operating
Memory Areas
(Input)
(Output)
Servo parameter
transfer data
Data
transfer
User-specified words
(for data transfer)
Common parameter
area
Axis parameter
area
Common
parameters
Operating
commands
Status
Operating
commands
Commu-
nications
cycle
Status
Servo
Parameters
(RAM)
Servo parameters
(non-volatile
memory)
Command
execution
Summary of Contents for CJ1W-NC271 - 12-2009
Page 2: ......
Page 4: ...iv ...
Page 6: ...vi ...
Page 22: ...xxii ...
Page 58: ...30 Starting Operation Section 2 2 ...
Page 244: ...216 Axis Operating Input Memory Areas Section 4 8 ...
Page 264: ...236 Transferring Servo Parameters Section 5 3 ...
Page 396: ...368 Linear Interpolation Section 9 7 ...
Page 648: ...620 List of Error Codes Appendix D ...
Page 674: ...646 Additional Functions for the CJ1W NCF71 MA Appendix F ...
Page 684: ...656 Index ...
Page 686: ...658 Revision History ...