Omron CJ - 08-2008 Operation Manual page 55

CJ-series Features
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
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
Remote programming/monitoring of a PLC on a network up to
3 levels away (including the local net-work) for the same or
different types of networks is possible through Host Link.
Network 1
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
Network 3
Network 2
Section 1-2
7