Справочник Пользователя для Mitsubishi Electronics FX5

APPENDIX

Appendix 3  Error Code

Continuation errors can be cleared. (Page 112 Error Clear)

The following table lists the error codes detected by the self-diagnostics function of the CPU module.

1080H

ROM write count 
error

• The number of writes to the data memory 

exceeded 20,000 times.

• Replace the CPU module.

Frequency 
information

At write

1090H

Battery error

• Low battery voltage was detected. An 

error was also detected in a battery 
latched (backed) device.

• Check the connection of the battery.
• Replace the battery as soon as possible.



At END 
instruction 
execution

1130H

IP address 
duplication error

• Overlapping IP addresses were 

detected.

• Check the IP address.





1800H

Annunciator ON

• An annunciator that was turned ON by 

the SET F instruction or OUT F 
instruction was detected.

• Check the program of that number 

(annunciator number).

Error location 
information 
and 
annunciator 
information

At instruction 
execution

1810H

Operation error

• The channel specified by instructions 

using communication functions or built-in 
I/O is already used by other instructions.

• Verify that the channel specified by 

instructions using communication functions 
or built-in I/O is not used by other 
instructions.

Error location 
information

At instruction 
execution

1811H

Operation error

• The number of times that applied 

instructions are used in the program 
exceeded the specified limit.

• Verify that the number of times that applied 

instructions are used in the program does 
not exceed the specified limit.

Error location 
information

At instruction 
execution

1900H

Constant scan 
time error

• The scan time exceeded the constant 

scan setting value.

• Check and correct the constant scan time 

setting. Recheck the setting time of the 
constant scan.

Time 
information

At END 
instruction 
execution

1920H

IP address 
setting error

• Values such as the IP address setting 

(SD8492 to SD8497) are outside the set 
range.

• Recheck the values such as the IP address 

setting (SD8492 to SD8497).



At END 
instruction 
execution

1921H

IP address 
writing/clear 
request 
simultaneous 
detection

• Write request and clear request (M8492 

and SM8495) turned from OFF to ON 
simultaneously.

• Verify that write request and clear request 

(SM8492 and MS8495) do not turn from 
OFF to ON simultaneously.



At END 
instruction 
execution

1930H

Online change 
error

• An error was detected when writing was 

executed during RUN.

• Set the CPU module to STOP and write a set 

of project data.



At END 
instruction 
execution

1931H

Online change 
error

• An error was detected when writing was 

executed during RUN.

• Set the CPU module to STOP and write a set 

of project data.



At END 
instruction 
execution

1FE0H

Module 
configuration 
error

• The number of I/O points specified in the 

I/O assignment setting of the parameters 
is different from that of the module 
connected.

• Make sure that the parameters are 

consistent with the connections.

System 
configuration 
information

At power-on, 
at RESET

1FE1H

Module 
configuration 
error

• The module position specified in the I/O 

assignment setting of the parameters is 
different from that of the module 
connected.

• Make sure that the parameters are 

consistent with the connections.

System 
configuration 
information

At power-on, 
at RESET

1FE2H

Module 
configuration 
error

• No parameters available for the module 

connected exist.

• Make sure that the parameters are 

consistent with the connections.

System 
configuration 
information

At power-on, 
at RESET

1FE3H

Module 
configuration 
error

• The module specified in the I/O 

assignment setting of the parameters is 
not connected.

• Make sure that the parameters are 

consistent with the connections.

System 
configuration 
information

At power-on, 
at RESET

1FE4H

Module 
configuration 
error

• Parameters for a standard input/output 

module are set to a high-speed input/
output module.

• Make sure that the parameters are 

consistent with the connections.

System 
configuration 
information

At power-on, 
at RESET