Mitsubishi Electric F920GOT-BBD-K-E, Hardware Manual

Page: 289 / 592

GOT-F900 SERIES (CONNECTION) Connection of MELSEC-QnA Series PLC 10
10-29
1
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2) Software
Contents of trouble Check points and countermeasures
Software
such as GX
Developer
and FX/WIN
In the personal computer connected
to the GOT-F900, sequence
programs cannot be monitored or
transferred.
Communication with the sequence
software is disabled. An error
message is displayed (only in QnA
CPU direct connection).
QnA PLC, bar code reader or printer is connected.
• Causes
The RS-232C connector to which the personal computer is
connected is set to be used for another piece of equipment.
• Countermeasures
For monitoring or transferring sequence programs, set a bar
code reader to invalid and a printer to "DON'T USE".
If the PLC is connected, select the GOT-F900 equipped with
two built-in RS-232C channels.
Something is wrong with the cable between the GOT-F900
and the personal computer.
• Causes
The wrong cable is used or the connection is bad.
• Countermeasures
Check the cable.
Screen
creation
software Communication with the screen
creation software and screen data
cannot be transferred.
QnA computer link, bar code reader or printer is connected.
• Causes
The RS-232C connector to which the personal computer is
connected is set to be used for another piece of equipment.
• Countermeasures
In the GOT-F900, select by hand "SELECT MODE"-"OTHER
MODE"-"DATA TRANSFER".
Or set a bar code reader to invalid and a printer to "DON'T
USE".
Something is wrong with the cable between the GOT-F900
and the personal computer.
• Causes
The connected cable is not proper. Or cable connection is
not correct.
• Countermeasures
Check the cable.