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118
Transferring and Saving Data
Section 5-1
Example:
• If an error is detected by the data check, the correct data should be sent
again.
• If data transfer is completed successfully, the error is cleared.
• If the data is stored or the instruction to activate is executed without the
correct data being re-sent, the error will be cleared but the data after the
error will not be transmitted. In this situation, an abnormal operation may
result.
!Caution
The Intelligent I/O Write (IOWR) and Intelligent I/O Read (IORD) instructions
transfer all data indiscriminately at execution. For this reason, if the IOWR or
IORD instructions are executed consecutively within the same cycle, an error
occurring at data transfer execution may not be output to the operating mem-
ory area, in the way shown below.
DM Area
Position #0
Position #1
Position #2
Position #3
CPU Unit
Receive buffer
(internal memory)
PCU
If each item of data is
within the acceptable
range, it is written to the
position data area.
If there is one or
more item that is
outside the
acceptable range,
all data is
annulled.
Error codes output
Position #0
Position #1
Position #2
Position #3
Position data area
(internal memory)
Position #0
Position #1
Position #2
Position #3
Содержание CJ1W-C113 - REV 02-2008
Страница 1: ...Position Control Units Cat No W397 E1 07 SYSMAC CJ1W NC113 213 413 133 233 433 OPERATION MANUAL ...
Страница 2: ...CJ1W NC113 213 413 133 233 433 Position Control Units Operation Manual Revised February 2008 ...
Страница 3: ...iv ...
Страница 13: ...xiv ...
Страница 15: ...xvi ...
Страница 19: ...xx ...
Страница 27: ...xxviii Conformance to EC Directives 6 ...
Страница 43: ...16 Control System Principles Section 1 7 ...
Страница 47: ...20 Basic Procedures Section 2 ...
Страница 139: ...112 Examples of Parameter Settings Section 4 9 ...
Страница 173: ...146 Transferring Data with CX Position Section 5 7 ...
Страница 223: ...196 Sample Program Section 7 7 ...
Страница 259: ...232 Sample Program Section 8 10 ...
Страница 293: ...266 Easy Backup Function Ver 2 0 or later Section 9 11 ...
Страница 369: ...342 Reading Error Information with CX Position Section 11 8 ...
Страница 385: ...358 Common Parameter Area Appendix C ...
Страница 399: ...372 Parameter Coding Sheets Appendix E ...