Communications Network System - Omron CJ - 09-2009 Operation Manual

Expanded System Configuration
2-5-3

Communications Network System

Communications Networks
Controller Link
Simple Network configuration
(twisted-pair cables/ optical fiber cables)
Data link and message communications
Large-capacity, flexible, and effective
data links
Message communications and large-
capacity data transmission
Links between PLC and personal
computer
Optical Controller Link Units provide a
bypass function when a n ode fails.
Ethernet
The following network systems can be configured when using CJ-series Units.
Ethernet
Message Communications
Host computer to PLC
PLC to PLC or Host computer
FTP Server Function
Host computer to PLC
Transmission of files to Memory
Card installed in CPU Unit
Controller Link Unit
DeviceNet
Multi-vendor network DeviceNet
Remote I/O message communications
Remote I/O: Many points, free allocation
Message communications between PLCs,
DeviceNet and Explicit messages
Multi-level network
Various connection methods
Superior Slaves
Remote I/O Terminals, Remote Adapters,
Analog I/O Terminals, Sensor Terminals,
I/O Link Units, Temperature Input Terminal,
High-density I/O Terminals
If an Ethernet Unit is connected to the system, FINS messages can be used
to communicate between the Host computer connected to the Ethernet and
Ethernet Unit
Socket Service
Sends/receives data using TCP
or UDP protocol
Controller Link Support Board
Configurator
DeviceNet
High-speed remote I/O
Various connection methods
Many Master Units:
Communications Unit and
CPU Units with Master function
Superior Slaves
Remote I/O Terminals, Remote
I/O Modules, Sensor Amplifier
Terminals, Sensor Terminals,
Bit Chain Terminals
Section 2-5
125