CHAPTER 1
The following shows an overview of the Web function with the Ethernet module.
1.1
Programmable Controller Monitoring via Internet Using
Web Function
The Web function with the Ethernet module is used for the system administrator to monitor the MELSEC-Q/L series
CPU modules at a remote location via the Internet, using a Web browser.
Internet
service provider
Web server
Ethernet module
OVERVIEW
Internet network
(Public line)
External devices (Web browsers)
CHAPTER 1 OVERVIEW
Internet
service provider
Router
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