Mitsubishi Electric F920GOT-K Hardware Manual page 227

GOT-F900 SERIES (CONNECTION)
Contents of trouble
"DATA IS NOT
FOUND." is
displayed on the
GOT-F900 screen.
"CAN NOT WRITE
TO PLC MEMORY."
is displayed on the
GOT-F900 screen.
Check points and countermeasures
There is not data because the unit is new or the
memory clear has been executed.
• Cause
There is no screen data.
• Countermeasures
Write the screen data using the screen creation
software.
A device that does not exist in the FX Series PLC was
referenced. (Example: While an FX
connected, a device exits only in the FX-**M*-** Series
PLC is specified for numeric input.)
• Cause
On the head screen, a nonexistent device in the
connected FX Series PLC is specified.
(The head screen is the screen No. 1 in the GT
Designer, and the screen No. 0 in the DU/WIN.)
• Countermeasures
Check the devices used on the head screen.
While the FX Series PLC is not connected, the
connection mode for the FX-**M*-** Series PLC is
selected.
• Cause
Check for the FX-**M*-** or FX
executed, the connection mode was automatically
changed over, then the device range was checked.
This error occurs when the device range set on the
head screen is beyond the range for the FX
(The head screen is the screen No. 1 in the GT
Designer, and the screen No. 0 in the DU/WIN.)
• Countermeasures
Connect the PLC.
There is not data because the unit is new or the
memory clear has been executed.
• Cause
There is no screen data.
• Countermeasures
Write the screen data using the screen creation
software.
Programs and device set values of the FX Series PLC
cannot be changed.
• Causes
The write-protect switch of the memory cassette is set
to ON. PLC Password protection is on.
• Countermeasures
Set the write-protect switch to OFF.
Enter the keywords by "SELECT MODE"-"OTHER
MODE"-"ENTRY CODE".
Connection of MELSEC-F FX Series PLC 8
F940W
Series PLC is
0S
−
Series was
2N
Series.
2
From
first
product
Earlier
than
1.10
OS version
F940 F930 F920
Earlier Earlier
−
than than
6.00 4.00
From
6.00 or 4.00 or
first
later later
product
Earlier Earlier
−
than than
6.10 4.10
8-23
1
2
3
4
5
6
7
8
9
10