Troubleshooting On Network Connection - Mitsubishi Electric MELSEC iQ-R Series User Manual

Troubleshooting on network connection

Symptom
Unable to access the high speed data
logger module.
Unable to enable the IP filter function.
Check point
Is the mode setting of RD81DL96 in "Online" mode?
Is there any disconnection in the connection route?
Is the IP address duplicated?
Does a firewall or a proxy server exist in the connection
route?
Is Windows firewall enabled on the personal computer?
Is antivirus software blocking Ethernet
communications?
Is there any problem on the personal computer?
Are the permissions granted to the user logged on to
Windows sufficient?
Is the IP address of high speed data logger module,
which is specified by transfer setup is correct?
(When turning the power OFF to ON or resetting the
CPU module without an SD memory card inserted, the
module operates with the IP address in the initial status
(192.168.3.3).)
Has an error occurred in the own station CPU module?
Is a module other than the high speed data logger
module set to the slot on which the high speed data
logger module is mounted in the system parameter (I/O
assignment setting) of the CPU module for the own
station?
Are the high speed data logger module and personal
computer connected to each other via a hub?
Are multiple IP addresses enabled at the same time on
the personal computer side?
Is the access blocked by IP filter function?
Is the Ethernet network between personal computer
and high speed data logger module getting
overloaded?
Is the power turned OFF  ON or the CPU module
reset after configuring the IP filter function?
Corrective action
• Set the mode settings to "Online" with an
engineering tool. (Page 238 Operation settings)
• Connect the cables properly.
• Replace the cables to new ones.
• Correct the IP address.
• Ask your network administrator about the firewall and
proxy server settings.
• Disable Windows firewall on the personal computer
when using "Find High Speed Data Logger Module"
or direct connection.
• Change the antivirus software settings to allow
Ethernet communications.
• Lower the antivirus software's security settings level.
• Stop the antivirus software.
• Replace it with another personal computer.
• Log on as a user with a standard or higher access
authority.
• Correct the IP address of high speed data logger
module, which is specified to the transfer setup.
• Connect the personal computer directly and specify
direct connection on the Transfer Setup screen.
(MELSEC iQ-R High Speed Data Logger Module
User's Manual (Startup))
• Check the error code of the CPU module and take
corrective actions according to the error code.
• Correct the system parameters (I/O Assignment
settings) of CPU module.
• For a direct connection, connect the high speed data
logger module to the personal computer on a 1:1
basis. (MELSEC iQ-R High Speed Data Logger
Module User's Manual (Startup))
• For a direct connection, make sure multiple IP
addresses are not enabled at the same time in the
personal computer.
• Disable the wireless LAN function.
• Correct the security setting of Configuration Tool.
• Check the IP address of the personal computer.
• Check the status of the Ethernet network and reduce
the load. After that, wait for a while and access
again.
• Turn the power OFF  ON or reset the CPU module.
4 TROUBLESHOOTING
4.3 Troubleshooting by Symptom
4
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