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14 Communications Performance and Communications Load
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
14-2 Adjusting the Communications Load
14
14-2-5 RPI Setting Examples
Method 2: Changing the Packet Interval (RPI) of Only Specific Devices
In this example, we want faster tag data links for devices 192.168.250.1 and 192.168.250.10 only.
To do this, click the Set Packet Interval (RPI) Button at the bottom of the Usage of Device Band-
width Dialog Box. The Set Packet Interval (RPI) Dialog Box is displayed.
In the Target Device Area, clear the selections of all devices other than 192.168.250.1 and
192.168.250.10. Input 30 ms as the new RPI value, then click the OK Button.
The percentage of the allowed tag data link bandwidth being used (Usage of Capacity) increases to
87.00% for devices 192.168.250.1 and 192.168.250.10, which indicates that the RPI is set to a
higher speed for these devices’ connections.
The Usage of Capacity values also indicate that the Usage of Capacity has increased (from 40.83%
to 44.67%) for all of the other devices, which connect with devices 192.168.250.1 and
192.168.250.10.
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