8-1
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
8
This section describes the time required for remote I/O communications and message
communications.
8-1 Remote I/O Communications Characteristics . . . . . . . . . . . . . . . . . . . . . . . 8-2
8-1-1 Communications Cycle Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8-1-2 Calculating Guidelines for I/O Response Times . . . . . . . . . . . . . . . . . . . . . . . 8-5
8-1-3 More than One Master in Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
8-1-4 System Startup Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
8-2 Message Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8-2-1 Message Communications Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8-2-2 Calculating the Maximum Message Response Time . . . . . . . . . . . . . . . . . . . 8-11
Communications Timing
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