Mitsubishi Electric F920GOT-K Hardware Manual page 318

GOT-F900 SERIES (CONNECTION)
11.8 Troubleshooting
For reference, this section summarizes frequently asked questions about connection of the GOT-F900 to
the Q Series PLC.
1) 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 by
*1
a touch key .
*1 No touch key is
available on the
F920GOT-K.
"DISPLAY SCREEN
IS NOT AVAILABLE."
is displayed on the
GOT-F900 screen.
"DISPLAY SCREEN
IS NOT AVAILABLE.
(NO. ####)" is
displayed on the
GOT-F900 screen.
Check points and countermeasures
The power of the Q Series PLC is turned off.
• Cause
Communication is disabled because the power of the
Q Series PLC is turned off.
• Countermeasures
Turn on the power.
Something is wrong with the cable between the GOT-
F900 and the Q Series PLC.
• Causes
The wrong cable is used or the connection is bad.
• Countermeasures
Check the cable.
Changeover to a nonexistent screen by a touch key or
the Q Series PLC was tried.
• Cause
The changeover destination screen has not been
created yet.
• Countermeasures
Create the screen.
A nonexistent screen was tried to be displayed.
• Cause
The screen No. #### has not been created yet.
• Countermeasures
Create the screen.
Connection of MELSEC-Q Series PLC 11
OS version
F940W F940
From From
first first
product product
Earlier
−
than
6.00
From
6.00 or
first
later
product
F930 F920
From From
first first
product product
Earlier
−
than
4.00
From
4.00 or
first
later
product
11-28