Omron CJ - 09-2009 Operation Manual page 92

CJ1-H/CJ1M CPU Unit Ver. 2.0 Upgrades
Usage
Details
1:1 Computer-to-PLC connection
CX-Programmer
Ethernet
I/O table not
registered
Even without an I/O table, it is
possible to make an online con-
nection, create the I/O table,
transfer the program, and per-
form other operations.
44
CPU Bus Unit
(including Network Communications Units)
Network
Online connection
can be made.
Note Network Communications Units include Ethernet Units, Controller Link Units,
SYSMAC Link Units, and DeviceNet Units.
If the nodes are connected to the network, this function allows a computer-
based Programming Device (such as the CX-Programmer) to connect online
to PLCs in the network even if the I/O tables have not been created. Since a
network connection is established with the PLCs, setup operations can be
performed such as creating the I/O tables (or editing and transferring I/O
tables), transferring the user program, transferring the PLC Setup, and trans-
ferring the CPU Bus Unit Setup.
This function is particularly useful when connecting the CX-Programmer via
Ethernet (using a CS1W-ETN21), because the I/O tables can be created
through Ethernet so a serial cable isn't required and it isn't necessary to
spend extra time establishing a serial connection.
1:N Computer-to-PLC connection
CX-Programmer
CS/CJ-
series
CPU Unit
Ver.2.0
• Applicable Units: All CS/CJ-series CPU Bus Units
• Applicable computer-based Programming Devices: CX-Programmer and
CX-Protocol only
• Applicable functions: Online connections from CX-Programmer and CX-
Protocol, and online functions of the applicable CPU Units and CPU Bus
Units
Note When a CS1W-ETN21 or CJ1W-ETN21 Ethernet Unit is being used, the
Ethernet Unit's IP address is automatically set to the default value of
192.168.250.xx, where xx is the FINS node address. After connecting the eth-
ernet cable between the CX-Programmer and PLC (without making a direct
CS/CJ-series CPU Unit Ver.2.0 or higher
CPU Bus Units (including Network Communications Units)
can be recognized before I/O tables are created (I/O allo-
cation at startup is used).
CS/CJ-
series
CPU Unit
Ver.2.0
I/O table not registered
Ethernet
Even without an I/O table, it is possible to make an online
connection, create the I/O table, transfer the program, and
perform other operations.
Section 1-6
CS/CJ-
series
CPU Unit
Ver.2.0
I/O table not registered I/O table not registered
CS/CJ-
series
CPU Unit
Ver.2.0