Appendices
A-28
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
In this example, the PPS for Connection (1) is 50 pps, the PPS for Connection (2) is 10 pps, and the
PPS for Connection (3) is 210 pps. Therefore, bandwidth used (PPS) for each EtherNet/IP device is
as given below.
192.168.250.1: 270 pps = 50 pps (for Connection (1)) + 10 pps (for Connection (2)) + 210 pps (for
Connection (3))
192.168.250.2: 60 pps = 50 pps (for Connection (1)) + 10 pps (for Connection (2))
192.168.250.3: 210 pps = 210 pps (for Connection (3))
Adjusting Method
If the calculation result value exceeds the values in the specifications of the devices used in the Eth-
erNet/IP connections, re-evaluate the overall network configuration and correct it by taking steps
such as selecting a different Ethernet switch or splitting the network.
If the RPI is made longer, the PPS for the EtherNet/IP connections will decrease.
You can change the RPI value in the connection settings for all target devices by specifying a value
in Set Packet Interval (RPI) for All Connections in this dialog box.
Refer to 14-2-2 Tag Data Link Bandwidth Usage and RPI on page 14-8 for the relationship between
the PPS for the device and the RPI.
EtherNet/IP connection settings for Controller 2
Connection (2)
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