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4. OPERATING THE UTILITY FUNCTION
4 - 11
MELSEC
GOT
4.6 Running diagnostic checks on GOT hardware (self-test)
(1) Display screen
(2) Features
Diagnostic checks on GOT hardware include the following options:
•
Graphic Check
.........................
Allows you to perform visual inspection on screen
display for discoloration and lack of display.
•
Fontrom Check
........................
Allows you to perform visual inspection for
deformation in font size.
•
Memcard Check
.......................
Allows you to make a check on the
hardware of a memory card. After
checking, a memory card are
initialized.
•
Userrom Check
........................
Allows you to check for user space
in the internal memory. After
checking, user space is cleared to
delete any data contained in the
user space.
•
OS Area Check
........................
Allows you to check for OS space in
the internal memory.
•
Comm. Check
..........................
Allows you to check for GOT-to-PLC
CPU communications.
•
Touchsw Check
.......................
Allows you to check for touch keys.
The
GOT
performs
these
checks.
(3) Procedure
(a) Basic operation
•
Select the desired button to perform a diagnostic check.
•
Select options as instructed on-screen.
•
You will see a message indicating that the selected diagnostic check was
successfully completed.
•
If an error is detected, you will see a message indicating the occurrence of
the error.
•
The Image Check allows you to view the following elements:
1) The entire screen is displayed in one color. Display colors are changed in
the order of red-green-blue.
2) Basic figures are displayed, including circles and squares.
3) Ellipses and checkered patterns are tiled or cascaded on-screen.