119
Transferring and Saving Data
Section 5-1
Example:
5-1-6
Data Transfer Priority
As mentioned in
5-1-1 Transferring Data
, parameters and data can be trans-
ferred to the PCU using the 3 methods shown below. If these 3 methods are
used in combination, a situation where data transfer is impossible may occur.
The following table indicates the operation of the PCU when data is trans-
ferred using different combinations of the 3 methods.
CPU Unit
Transfer data
Error flag
Error code
Operating
memory area
Transferred using data
transfer bit or IOWR
instruction
I/O refresh
PCU
Data check
Error
Transfer Error Output to CPU Unit
(containing illegal data)
CPU Unit
Error not output
to CPU Unit
Operating
memory area
IOWR instruction
(completed successfully)
I/O refresh
PCU
Data check
Error
Error cleared
Transfer Error Not Output to CPU Unit
Transfer data
(containing illegal data)
Error flag
Error code
Transferred using data
transfer bit or IOWR
instruction
Summary of Contents for CJ1W-C113 - REV 02-2008
Page 2: ...CJ1W NC113 213 413 133 233 433 Position Control Units Operation Manual Revised February 2008 ...
Page 3: ...iv ...
Page 13: ...xiv ...
Page 15: ...xvi ...
Page 19: ...xx ...
Page 27: ...xxviii Conformance to EC Directives 6 ...
Page 43: ...16 Control System Principles Section 1 7 ...
Page 47: ...20 Basic Procedures Section 2 ...
Page 139: ...112 Examples of Parameter Settings Section 4 9 ...
Page 173: ...146 Transferring Data with CX Position Section 5 7 ...
Page 223: ...196 Sample Program Section 7 7 ...
Page 259: ...232 Sample Program Section 8 10 ...
Page 293: ...266 Easy Backup Function Ver 2 0 or later Section 9 11 ...
Page 369: ...342 Reading Error Information with CX Position Section 11 8 ...
Page 385: ...358 Common Parameter Area Appendix C ...