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17 Ethernet Option Board
Various Protocols Available on Ethernet
A variety of protocols make a wide range of applications for use on an Ethernet network. The protocols
that can be selected include receiving commands by OMRON's standard protocol FINS and reading
Ethernet Option Board settings and status by HTTP.
A communications service can be selected according to need, allowing the PLC to be flexibly integrated
with the Ethernet information network.
Improved FINS Message Communications
The following functions have been maintained according to the existing Ethernet Unit models for CS/CJ
series.
• The maximum number of nodes is 254.
• Communications are enabled even if the host computer's IP address is dynamic.
• An automatic client FINS node address allocation function makes it possible to connect online to the
PLC even if no FINS node address has been set for the host computer.
• FINS message communications is enabled in both UDP/IP and TCP/IP, but it is only enabled in
TCP/IP with up to 2 simultaneous connections .
→
Previously it is enabled in TCP/IP with up to 16 simultaneous connections and all can be set to cli-
ent.
• Multiple FINS applications, such as the CX-Programmer, on the same computer can be connected
online to the PLC via Ethernet.
Use Web Function to Read Ethernet Option Board Settings and
Status
A Web function is provided in Ethernet Option Board.
This enables use of a Web browser to read the Ethernet Option Board's system settings and statuses.
Full Range of Functions for Handling Troubles
A full range of functions is provided for promptly handling any troubles.
• Self-diagnostic function when power is turned ON.
• Error log for recording error information when an error occurs.
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CP1E CPU Unit Software User's Manual(W480)
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