Omron SYSMAC CS Series Instruction & Reference Manual page 755

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 communications 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
One communications
cycle time
• Transferring Data with Execution of DLNK(226)
One communications
cycle time
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Refreshing data link
Cycle time
data within PLC
Data transfer processing
Refreshing data link
Cycle time
data within PLC
Data transfer processing
Data link
Data link
3. Instructions
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