9   Socket Service
9-10
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
9-4 Settings Required for the Socket 
Services
Make the following settings in the Unit Setup to use the socket services.
9-4-1 Settings Required for the Socket Services
Sysmac Studio 
Unit Settings Tab 
Page
Setting Setting conditions
Setting Local IP Address Required
Subnet Mask Required
IP Router Table Optional 
(Required to perform socket communications past an IP router.)
TCP/IP Keep-Alive Optional 
(Change when the default setting of 5 minutes is unacceptable.)
Linger Option Optional