Omron CJ1G/H-CPU series Operation Manual page 40

CJ-series Features
Multilevel Network Configurations
Message communications
possible among Ethernet,
Controller Link, and DeviceNet.
Ethernet
CJ-series PLC
Remote Monitoring and Programming
1,2,3...
Remote programming/monitoring
of a distant PLC
Modem
Different network levels can be connected as shown in the following diagram.
The multilevel configuration provides more flexibility in networking from the
manufacturing site to production management.
OA network:
FA network:
Open network:
CJ-series PLC
Controller Link
I/O Terminal
1. The host link function can operate through a modem, which allows moni-
toring of a distant PLC's operation, data transfers, or even online editing of
a distant PLC's program by phone.
2. PLCs in a network can be programmed and monitored through the Host
Link.
3. It is possible to communicate through 3 network levels even with different
types of networks.
Modem
Ethernet
Controller Link
DeviceNet
CS-series PLC
DeviceNet
CJ-series PLC
Temperature Robot, etc.
Controller
Remote programming/monitoring of a
PLC on the network through Host Link
Controller Link Network
Section 1-2
7