12
TROUBLESHOOTING
12.6 Buit-in Ethernet Port Diagnosis
12 - 265
9
EMC AND LOW
VOLTAGE
DIRECTIVES
10
LOADING AND
INSTALLATION
11
MAINTENANCE AND
INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
(3) Status of each connection
* 1 UDP connections that function in MELSOFT connetion are treated as one connection. Therefore, for
multiple connections, the same information is displayed.
* 2 Not displayed when the 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.
Diagram 12.38 Ethernet diagnosis (Status of each connection) screen
Table12.23 Ethernet diagnosis (Status of each connection) items
Item Description
Host station port number Displays the setting of PLC parameter.
Destination IP address
Displays the IP address of the target device.*
1
Destination port No.
Displays the port number of the target device.*
1
Latest Error Code
Displays an error code for an error that occurred on the
connection.*
1
In the case of MELSOFT connection, only the errors related to
Ethernet communication are stored in the Status of each
connection.
Protocol
Displays the settings of PLC parameter.
Open system
TCP status
In TCP connections, displays whether connection with the
target device is established or not.*
1
Remote password status
Displays the remote password status.*
2
Unlock error count
Displays how many times an unlock error has occurred.*
1
*
3
Force deactivation status
If this is set for a connection for which illegal accesses are
suspected, communication of the connection is disabled. *
1
*
3