Mitsubishi Melsec-Q Series User Manual page 485

(3) Status of each connection
Figure 12.43 Ethernet diagnosis (Status of each connection) screen
Item
Host station port number
Destination IP address
Destination port No.
Latest Error Code
Protocol
Open system
TCP status
Remote password status
Unlock error count
Force deactivation status
*1: UDP connections that function in MELSOFT connection are treated as one connection. Therefore, for multiple connec-
tions, the same information is displayed.
*2: Not displayed when the protocol is UDP and direct connection to GX Developer is used.
*3: The same information is displayed when the protocol is TCP and when multiple MELSOFT connections exist.
Table12.13 Ethernet diagnosis (Status of each connection) items
Displays the setting of PLC parameter.
Displays the IP address of the target device.*
Displays the port number of the target device.*
Displays an error code for an error that occurred on the connection.*
In the case of MELSOFT connection, only the errors related to Ethernet com-
munication are stored in the Status of each connection.
Displays the settings of PLC parameter.
In TCP connections, displays whether connection with the target device is
established or not.*
Displays the remote password status.*
Displays how many times an unlock error has occurred.*
If this is set for a connection for which illegal accesses are suspected, commu-
nication of the connection is disabled. *
CHAPTER12 TROUBLESHOOTING
Description
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