Hardware Test - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

8.3

Hardware Test

The hardware test diagnoses hardware such as the ROM or RAM of an FX5-OPC.
This section explains the procedure to perform the hardware test and the operations required after the test.
• Values in the buffer memory cannot be accessed in GX Works3 or a program during the hardware test.
• Do not change the operating status of a CPU module during the hardware test. If its operating status is
changed, an major error occurs in the CPU module.
Procedure to perform the hardware test
Operating procedure
1.
Set the operation mode of an FX5-OPC to "Hardware test" in GX Works3.
[Navigation window]  [Parameter]  [Module Information]  [FX5-OPC]  [Module Parameter]  [Required Settings]
 [Mode Settings]  [Operation Mode]
2.
Disconnect a cable if it is connected to an Ethernet port of the FX5-OPC.
3.
Set the CPU module to the STOP state, and write the parameters.
4.
Turn the power of the CPU module OFF and ON, or reset the CPU module.
The hardware test is automatically performed.
5.
Check the hardware test result with the following LEDs:
RUN LED
Flashing
ON
ON
Operations when the hardware test is completed normally
Operating procedure
1.
Set the operation mode of the FX5-OPC to "Online" in GX Works3.
[Navigation window]  [Parameter]  [Module Information]  [FX5-OPC]  [Module Parameter]  [Required Settings]
 [Mode Settings]  [Operation Mode]
2.
Write the parameters, then turn the power of the CPU module OFF and ON or reset the CPU module.
Operations when the hardware test is completed with an error
Operating procedure
1.
Check that adequate measures to reduce noise are taken for the programmable controller system and retry the hardware
test.
2.
If the test is completed with an error again, a hardware component of the FX5-OPC may have a failure. Please consult
your local Mitsubishi representative.
8 TROUBLESHOOTING
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8.3 Hardware Test
ERROR LED
OFF
OFF
ON
Status
The hardware test is in process.
The hardware test is completed normally.
The hardware test is completed with an error.