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1 FUNCTIONS
1.15 Simple CPU Communication Function (RJ71EN71, RnENCPU (Network Part))
Setting procedure
The following section describes the settings for using this function.
1. Set "Enable" for "To Use or Not to Use Simple PLC Communication Setting" in "Simple CPU Communication Setting"
under "Application Settings".
[Navigation window] [Parameter] [Module Information] [RJ71EN71] [Port 1 Module Parameter (Ethernet)]
[Application Settings] [Simple CPU Communication Setting]
2. Double-click "<Detailed Setting>" of the "Simple CPU Communication Setting" to display the following window.
(Page 256 Simple CPU Communication Setting (RJ71EN71, RnENCPU (Network Part)))
3. After setting the items, write the module parameters to the CPU module of the own station, and reset or power off and on
the CPU module to start the simple CPU communication.
Comm Patn
Select the communication pattern from the following items.
Communication Setting and Execution Interval
Select the communication timing from the following items.
• Actual time of execution interval may be longer than the value of the setting because the time is affected by
the specified communication destinations or Ethernet line congestion. For the preventive measures, refer to
the following.
Page 306 When the simple CPU communication function is used
• If latency time is set, data communication is started after the latency time has passed. (Page 206
Latency Time)
Setting item Description
Read Read the data of the specified destination device (transmission source) to the specified device of the host station
(transmission destination).
Write Write the data of the specified device of the host station (transmission source) to the specified destination device
(transmission destination).
Setting item Description Setting range
Fixed Data are communicated between the devices at a specified
execution interval.
Execution Interval (ms) Execution interval is set. 1ms to 65535ms (in increments of
1ms)
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