Mitsubishi Electric MELSEC iQ-R Series User Manual page 258

Symptom
Unable to communicate with the module.
(Cannot operate online)
When editing the layout settings, the
layout file size becomes larger
regardless of not changing the layout.
Unable to start the "Layout setting"
screen.
The characters on the "Layout setting"
screen are truncated.
It takes time to communicate with the
module.
It takes time to start the "Layout setting"
screen.
"Unknown Publisher" is displayed for the
publisher when using the online startup
function of Configuration Tool.
The message indicating the certificate
date has expired appears when the
"Layout setting" screen starts up.
4 TROUBLESHOOTING
256
4.3 Troubleshooting by Symptom
Check point
Are the permissions granted to the user logged on to
Windows sufficient?
Is Windows firewall enabled on the personal computer?
Is antivirus software blocking Ethernet
communications?
Is direct connection specified for the transfer setup?
Are multiple IP addresses enabled at the same time on
the personal computer side?
Is the Ethernet network between personal computer
and high speed data logger module getting
overloaded?
Is the write protect switch of the SD memory card
locked?
Are the layout settings edited with a version of Excel
different from the one that first set the layout?
Is the Excel VBA function installed?
Is Excel 2010 (64-bit version), Excel 2013 (64-bit
version), or Excel 2016 (64-bit version) installed?
Is the version of Excel earlier than Excel 2010
installed?
Are add-ins installed in Excel?
Are the symbols (such as , ) used for the "Sheet
name", "Data logging name", "Data name", "Access
target CPU", or "Layout name"?
Are Data logging function, Event logging function, and
Report function overloaded?
(The number of units of sampled data is large, data
sampling interval is less, the layout file size of the
report is large, etc.)
Are the DNS server settings of the personal computer
correct?
(Check the Internet protocol (TCP/IP) properties of the
personal computer.)
Are the DNS server settings of the personal computer
correct? (Check the Internet protocol (TCP/IP)
properties of the personal computer.)
Is the "Get External Data" function of Excel is used in
Excel file of the layout setting?
Have the root certificates been updated? (Is the
personal computer connected to the Internet?)
Corrective action
• Login with the user having a higher authority than the
"Standard user".
• 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.
• 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.
• Check the status of the Ethernet network and reduce
the load. After that, wait for a while and access again.
• Unlock the write protect switch of the SD memory card
and retry.
• Edit the layout settings with the same version of Excel
that was used to first set the layout. (MELSEC iQ-
R High Speed Data Logger Module User's Manual
(Startup))
• Install Excel again. At this time, do not set "Do not
install" or "Not Available, Hidden, Locked" for the VBA
function installation options.
• Install Excel 2010 (32-bit version), Excel 2013 (32-bit
version), Excel 2016 (32-bit version), Excel 2019 (32-
bit version/64-bit version), or Microsoft 365 (32-bit
version/64-bit version) again.
• Disable installed add-ins. (Page 195 Layout)
• Do not use the symbols (such as , ) for the "Sheet
name", "Data logging name", "Data name", "Access
target CPU", or "Layout name".
• Stop the module operation, communicate with the
module, and restart the module operation.
• Review the settings and lessen the processing load.
(Reducing the number of units of sampled data,
extend the data sampling interval, lessen the layout
file size of the report, etc.)
• Set the correct DNS server.
• If no DNS server exists on the network, do not
configure the DNS server (set to blank).
• Set the correct DNS server.
• If no DNS server exists on the network, do not
configure the DNS server (set to blank).
• Check the reference of the "Get External Data"
function of Excel.
• Delete the settings on the "Get External Data" function
of Excel.
• Install the update program for root certificates
provided by Microsoft.