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7 TROUBLESHOOTING
7
7 - 2
[Display contents]
• Module
The following information is displayed.
Model name
Header I/O No.
Installation position : The slot position where the module is installed.
Product information : Product information
• Module access
If the QD51 (-R24) System Down signal (X0D) is OFF and the QD51 (-
R24) operating status signal (X0E) is ON, then Accessible is displayed.
• I/O address verification status
This displays whether the module the user has set the parameters for
matches the module that is installed or not.
• Latest error code
Displays the error code for the most recent error that has occurred.
• Error display
Displays the error codes for the error that have occurred with all the used
functions as the object.
(2) If you are checking by the hardware information screen in the GX
Developer diagnostic function
[Start Procedure]
GX Developer
[Diagnostics]
Module Detailed Information
: Installed module model name
: Relevant module's header Input / Output signal
No.
The last character of the product information
indicates the function version of the module.
(Example) If the last character is "B," it
means that the module is of
function version B.
[System Monitor]
Hardware Information
MELSEC-Q
7 - 2
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