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12 Communications Performance and Communications Load
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
12-2 Adjusting the Communications Load
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12-2-4 Changing the RPI
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The usage of capacity without multicast filtering can be adjusted against the tag data link’s
allowable bandwidth by changing the associated devices’ packet interval (RPI) settings.
The RPI settings can be changed with the following three methods.
Method 1:
Change All Connections to the Same RPI
The usage of capacity without a multicast filter can be adjusted for all devices by changing the
packet intervals (RPI) settings for all of the device’s connections to the same RPI at the same
time.
(1) Click the Set Packet Interval (RPI) Button at the bottom of the Usage of Device Band-
width Dialog Box.
(2) The Set Packet Interval (RPI) Dialog Box will be displayed. Input a new RPI value, and
click the OK Button.
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