936
Basic I/O Unit Instructions
Section 3-23
The actual timing for data link area refreshing in this example is as follows:
• When transmitting: Data is transmitted over the network the next time that
the token right is acquired. (The transmitted data is delayed up to 1 com-
munications cycle time max.)
• When receiving: The data that is input was received from the network the
last time that the token right was acquired. (The data received is delayed
up to 1 communications cycle time max.)
Examples of Data Transfer Processing:
• Transferring Data from the Previous I/O Refreshing
000000
DLNK
&1
W001
W001
W000
W000
Equals Flag
Equals Flag
DLNK
&1
000000
Controller Link
Refresh
Data link area
Controller Link Unit
with unit number 1
Data link
refreshing
Cycle time
Refreshing data link
data within PLC
Data transfer processing
Data link
One communications
cycle time
Summary of Contents for SYSMAC CS Series
Page 2: ......
Page 4: ...iv ...
Page 30: ...xxx ...
Page 186: ...146 List of Instructions by Function Code Section 2 4 ...
Page 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Page 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Page 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Page 1392: ...1352 ASCII Code Table Appendix A ...
Page 1404: ...1364 Revision History ...