Mitsubishi Electric MELIPC MI5000 Series, User Manual

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APPX
Appendix 1 Troubleshooting by Symptom
207
A
Communication with a device connected to the Ethernet port
(CH1) is not possible
Check the following items.
Virtual Ethernet communications are not possible
Check the following items.
Check of Windows part
Check of the VxWorks part
An error occurs during user program execution
Check the following items.
Check item Corrective action
Does the IP addresses of devices connected to the Ethernet port (CH1)
overlap with a segment of the IP addresses of the virtual Ethernet of this
product? Change the IP addresses of devices connected to Ethernet port (CH1) so that
these do not overlap with virtual Ethernet IP address segments.
Check item Corrective action
Is the IP address segment set for the Ethernet port (CH2) overlapped? Change the IP addresses of devices connected to Ethernet port (CH2) so that
these do not overlap with virtual Ethernet IP address segments.
Have the IP address settings of the virtual Ethernet port been changed? Change the IP address settings of Windows to the following settings.
• IP address: 172.16.0.2, subnet mask: 255.240.0.0, Default gateway: (blank)
Is connection being prevented by the Windows firewall? Change Windows firewall settings.
Is connection being prevented by installed antivirus software? Change the antivirus software settings.
Check item Corrective action
Does the IP address set for the Ethernet port (CH1) overlap with the virtual
Ethernet IP address segments of this product? Initialize this product, and then change the IP address of the Ethernet port
(CH1) to the default settings.
In the following settings, are the virtual Ethernet IP address settings set to
being blocked?
• [Basic Parameter]  [External Device Cooperate Applicable Settings] 
[Security Settings]  [IP Filter Settings]
Unblock the IP address of the virtual Ethernet in the IP settings.
Check item Corrective action
An error occurs in executable file (*.out) loading. • Check "Build Spec" during compiling, and then change to the correct "Build
Spec".
• Load first the files with the symbols required for the execution files to be
loaded.
Is an error registered to the error information field of the MELIPC diagnosis
screen? Take appropriate actions in accordance with the content of the registered
error.
Does an error occur in a C Controller module dedicated function or MELSEC
data link function? Take appropriate actions in accordance with the error code at the time of
function execution.
An error occurs in VxWorks standard API functions. Refer to the manual of VxWorks. If the problem is not resolved, consult Wind
River Systems, Inc.
Stack size of the task that runs the user program is insufficient. Increase the task stack size.
The pointer used in the user program refers to an invalid address. Make correction to make the pointer refer to a valid address.
memory area specified to the size is not reserved. Secure the memory area.
The VX_FP_TASK option is not specified for the task that performs floating-
point operations. Specify the VX_FP_TASK option for the task that performs floating-point
operations.
A VxWorks message is displayed when an error occurs. Consult the Wind River Systems, Inc.