Omron CJ - 08-2008 - Page 176

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Expanded System Configuration Section 2-5
Communications Network Overview
System Network Function Communications Communications
Device
Information
networks
Ethernet Between Host computer
and PLC.
FINS message communica-
tions
Ethernet Unit
Between PLCs.
Between Host computer
and Memory Card installed
in CPU Unit.
FTP server
Between PLC and nodes
with socket service, such as
UNIX computers.
Socket service
Controller Link Between PLC and personal
computer directly con-
nected to the Network.
FINS message communica-
tions
Controller Link Unit
Data link (offset, simple set-
tings)
RS-232C → Control-
ler Link
Between Host Link com-
puter and PLC on the Net-
work.
Host Link commands and
gateway.
RS-232C cables and
Controller Link Unit
Control net-
works
Controller Link Between PLCs. FINS message communica-
tions
Controller Link Unit
DeviceNet FINS message communica-
tions in an open network.
DeviceNet Master Unit
and Configurator
DeviceNet PLC and Network devices
(Slaves).
Large-capacity remote I/O
(fixed or free allocation) in
an open network
CompoBus/S High-speed remote I/O in a
network with OMRON
devices only (fixed alloca-
tions).
CompoBus/S Master
Unit
PROFIBUS-DP Large-capacity remote I/O
(user-set allocation) in an
open network
PROFIBUS-DP Master
Unit and Configurator