Automatic Hardware Test - Mitsubishi Electric MELSEC iQ-R Series User Manual

5.4

Automatic Hardware Test

This section describes how to perform a test related to hardware, such as a ROM/RAM/Ethernet port of the RJ71PN92.
• During the automatic hardware test, values in the buffer memory cannot be referred from the engineering
tool or the program.
• Do not change the operating status of the CPU module during the automatic hardware test. If the operating
status of the CPU module is changed, the module major error (2442H) occurs in the CPU module.
Operating procedure
1.
Set the mode setting of the RJ71PN92 to the automatic hardware test using the engineering tool.
[Navigation window]  [Parameter]  [Module Information]  [RJ71PN92]  [Module Parameter]  [Basic Setting] 
[Various Operations Settings]  [Mode Settings]  Select "Automatic H/W Test".
2.
When a cable is connected to the Ethernet port, disconnect it.
3.
Set the CPU module to the STOP state and write parameters.
4.
Power off and on or reset the CPU module.
5.
The automatic hardware test is automatically executed.
The following table shows the LED indication of the RJ71PN92 for the automatic hardware test.
Status
During automatic hardware test
Automatic hardware test completion
6.
When the test completed successfully, set the mode setting of the RJ71PN92 to online using the engineering tool.
[Navigation window]  [Parameter]  [Module Information]  [RJ71PN92]  [Module Parameter]  [Basic Setting] 
[Various Operations Settings]  [Mode Settings]  Select "Online".
Write parameters, and power off and on or reset the CPU module.
7.
When the test completed with an error, check that adequate measures to reduce noise are taken for the programmable
controller system, and retry the automatic hardware test. If the result is still error completion, the hardware failure of the
RJ71PN92 may have been occurred. Please consult your local Mitsubishi representative.
When removing a module, do not use any electric screwdriver. Loosen the module fixing screws fully before removing
the module.
RUN LED status
Flashing
Completed successfully On
Completed with an error On
ERR LED status
Off
Off
On
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5.4 Automatic Hardware Test
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