Download Web Server Module User`s Manual

3 SPECIFICATIONS
Device
No.
MELSEC-Q
Signal Name
Description
(1) Turns on when the Web server module is connected to the network.
(2) The Web server module is connected to the network. (Connection trigger) when:
(a) The PLC is powered off and then on or the CPU module is reset when "Automatic
connection to network at start-up." is set in the System setting. (Refer to Section
4.6.3)
(b) Network connection request (Y5) is turned from OFF to ON.
(c) A telephone call is made to the Web server module side modem when the CALL
function is set. (Refer to Section 4.6.4)
X4
Network
connection status
(d) E-mail transmission/file transfer is performed.
(3) The Web server module is disconnected from the network (Disconnection trigger) when:
(a) Network disconnection request (Y7) is turned from OFF to ON.
(b) No access is made from the external device within the preset time when the
disconnection function is set. (Refer to Section 4.6.4)
(c) E-mail transmission/file transfer is completed (when connected for
transmission/transfer (above (2) (d))
(d) Line disconnection is requested from the user screen (disconnection by line
disconnection part)
(e) Disconnection is made by the Internet service provider.
(f) The modem is powered off or the cable is disconnected.
(1) Is on while the Web server module is processing for connection to the network (during
dialing or authentication).
Turns on in response to any of the connection triggers shown in (2) of X4.
(2) Upon completion of the network connection processing, Network connection status (X4)
or Connection error (X19) turns on.
(a) When the network connection is normally completed, Network connection status
(X4) turns on.
(b) When the network connection is failed, Connection error (X19) turns on and a
corresponding error code is stored into the connection error code area (buffer
Network
X5
connection
memory: 30).
Connection trigger occurred
processing
Network connection
processing
(X5)
Network connection
status
(X4)
Connection error (X19)
3 - 12
When normally completed
When failed
3 - 12