Mitsubishi Electric F920GOT-K Hardware Manual page 204

GOT-F900 SERIES (CONNECTION)
7.8 Troubleshooting
For reference, this section summarizes frequently asked questions about connection of two or more
GOT units.
1) GOT-F900
Classification
GOT-F900
GT Designer
DU/WIN
GOT-F900
Contents of trouble
"COMMUNICATION ERROR
OCCURS" is displayed when a screen
changeover or numeric data input is
performed on the GOT-F900 screen.
When the screen data is transferred by
the screen creation software, "No
response from terminal", etc. is
displayed.
When the screen data is transferred by
the screen creation software, the
"DATA TRANSFER" screen does not
appear in the GOT-F900.
Connection of Two or More GOT Units 7
Check points and countermeasures
Nothing is displayed on the screen of some GOT units.
• Causes
Communication is disabled because the power of the
connected equipment is turned off.
• Countermeasures
Turn on the power.
Some of the connected GOT units do not display.
• Causes
The power has been turned on before or at the same
instant as connected equipment was turned on.
• Countermeasures
Turn on the connected equipment first.
Set the opening screen display period longer.
The first GOT unit (closest from connected equipment)
displays an user screen, but the second and later
(further) GOT units do not.
• Causes
The second and later GOT units has not been ready to
communicate before display of the opening screen of
the first GOT finished.
The power of the second and later GOT is turned off.
• Countermeasures
Set the opening screen display period longer.
Turn on the second and later GOT.
The RS-232C port of the GOT-F900 is allocated to
another connected equipment (bar code reader or
printer).
• Causes
1)"RS-232C" is specified for PLC connection.
2)The bar code reader is set valid.
3)The printer is set valid.
Confirm the settings above in the screen creation
software.
• Countermeasures
Select by hand the data transfer mode in the GOT-F900.
Start up the system screen, display the "SELECT
MODE" screen, select "OTHER MODE" - "DATA
TRANSFER" on the menu, then transfer the screen data.
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