11 Programming Devices and Communications
11-6
CJ2 CPU Unit Software User’s Manual
z Connecting through a Network
Select a network type as given in the following table.
*1 If the network type is set in the dialog box for changing the PLC model setting, connection to EtherNet/IP is possible for
the local network only. Connection cannot be made across network layers. Connection across network layers is possible if
the EtherNet/IP connection is made with an automatic online connection.
*2 It is possible to use connections that cross layers between FINS networks.
Precautions for Correct UsePrecautions for Correct Use
Connection is not possible when any of the following errors occurs if connection is made with
Support Software via the built-in EtherNet/IP port on the CJ2H-CPU6@-EIP or CJ2M-CPU3@.
I/O Bus Errors (Connection is possible for the CJ2M-CPU3@.)
Too many I/O Points Errors
Unit Number Duplication Errors
Rack Number Duplication Errors
I/O Setting Errors
If connection is not possible with the Support Software if any of the errors above occurs, make
the connection with the Support Software via the USB port on the CPU Unit.
Connecting
cable
System configuration
Change
PLC Dia-
log Box
(network
type)
Automatic online con-
nection
Direct con-
nection
Ether-
Net/IP con-
nection
EtherNet/IP Accessing an EtherNet/IP Network (*1)
The IP address at the connection target must be set.
EtherNet/IP Not acces-
sible
Accessible
Ethernet Accessing Ethernet as a FINS Network (*2)
The FINS network address, node address, and IP address at the
connection destination must be set.
Ethernet,
Ethernet
(FINS/TCP)
Not acces-
sible
Not acces-
sible
Controller
Link
Controller
Link
Not acces-
sible
Not acces-
sible
CX-Programmer
EtherNet/IP
CJ2
CJ2
CJ2
Specify IP address.
Specify IP address. Specify IP address.
CX-Programmer
Ethernet
Specify IP address.
Specify IP address.
Specify IP address.
CX-Programmer
Controller Link
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