Mitsubishi Electric MELSEC Q Series User Manual page 208

5 CONNECTING WEB SERVER MODULE TO NETWORK
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POINT
After changing the setting, make sure to click on the "Save" button.
The settings are updated when the "Update" button on the Setting update screen is
clicked, the programmable controller is powered off and then on, or the CPU module
is reset. ( )
Note that the setting of the System setting is not updated even if the "Update" button
is clicked.
(2) Network connection of Web server module
(a) Since "Automatic connection to network at start-up." is set in the automatic
network connection setting at start-up on the "System setting" screen, the
Web server module automatically makes network connection at start-up.
(b) Using GX Developer, confirm the following connection status of the Web
server module to the network with input signals of the buffer memory and
the programmable controller CPU.
1) Module READY (X0) is on.
2) Network connection status (X4) is on.
3) IP address and subnet mask storage areas in the network connection
status area
 IP address (buffer memory: 55 to 56)
 Subnet mask (buffer memory: 57 to 58)
(c) When connection to the network fails, connection error (X19) turns on and
an error code is stored into the connection error code area (buffer memory:
30).
Take corrective measures according to the troubleshooting.
POINT
In the network connection status area (buffer memory: 28 to 69), the current
network connection status of the Web server module can be confirmed.
MELSEC-Q
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