10-7
10 Communications Setup
NJ-series CPU Unit Software User’s Manual (W501)
10-3 Connection with Other
Controllers or Slaves
10
10-3-1 Connection Configurations between Controllers
10-3 Connection with Other Controllers or
Slaves
This section shows the connection configurations that are used between Controllers and between Con-
trollers and slaves.
You can use the built-in EtherNet/IP ports or ports on CJ1W-EIP21 EtherNet/IP Units.
For information on the built-in EtherNet/IP port, refer to the NJ-series CPU Unit Built-in EtherNet/IP Port
User’s Manual (Cat. No. W506). For information on the CJ1W-EIP21 EtherNet/IP Unit, refer to the CJ-
series EtherNet/IP Unit Operation Manual for NJ-series CPU Unit (Cat. No. W495).
Tag Data Links
You can create tag data links between NJ-series CPU Units on an EtherNet/IP network.
Message communications
You can send CIP messages from the user program.
10-3-1 Connection Configurations between Controllers
EtherNet/IP
EtherNet/IP
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