Conditions
• Connections:
Example) Seventeen NJ501-1300 Units are connected to the network.
Each device has one 100-word tag for sending and sixteen 100-word tags for receiving, and ex-
changes data with each other.
The packet interval (RPI) for all the connections is set to 120 ms.
The IP addresses of the devices range from 192.168.250.1 to 192.168.250.17.
NJ501-
1300: 17 Units
Connect
ion RPI: 120 ms
17 network variables,
100 words each
192.168.250.1
NJ501-1300 NJ501-1300 NJ501-1300 NJ501-1300
192.168.250.3 192.168.250.17192.168.250.2
100CH
100CH
100CH
100CH
IP address:
In_01_b
In_01_c
In_01_t
Send
Out_01_a
Send
Out_02_b
In_02_c
In_02_t
In_02_a
In_03_b
Send
Out_03_c
In_03_t
In_03_a
In_17_b
In_17_c
Send
Out_17_t
In_17_a
12 Communications Performance and Communications Load
12-17
NX-series EtherNet/IP Unit User's Manual (W627)
12-2 Adjusting the Communications Load
12
12-2-5 RPI Setting Examples