6 Caution on Use
70
FX-USB-AW/FX
3U
-USB-BD USER'S MANUAL
USB Driver Installation Edition
6. Caution on Use
•
The FX-USB-AW or FX
3U
-USB-BD is connected to a personal computer, and the PLC is turned on, and
then operations such as write, read, and monitor are tried for the first time using a programming tool, a
communication error message may be displayed.
In such a case, clear the message and try the operations again.
•
The expansion board cannot be connected to any FX
3UC
Series PLC other than FX
3UC
-32MT-LT(-2).
•
Only one expansion board can be used per main unit.
Additional expansion boards such as the FX
3U
-232-BD, FX
3U
-422-BD or FX
3U
-485-BD cannot be installed/
used together with the FX
3U
-USB-BD.
•
If a communication error message appears while operating the programming tool (when executing 'Write to
PLC', 'Read from PLC', or 'Monitor'), disconnect the USB cable once (from either the PC or the FX-USB-
AW/FX
3U
-USB-BD) and connect it again. Then clear the error message and choose Write, Read, or
Monitor again.
•
The programming tool may not be operated properly due to a contact failure at connectors or wire breakage.
Make sure to save the program before transferring or changing it.
STARTUP AND MAINTENANCE
PRECAUTIONS
•
Before modifying or disrupting the program in operation or running the PLC, carefully read through this manual and the associated
manuals and ensure the safety of the operation.
An operation error may damage the machinery or cause accidents.
STARTUP AND MAINTENANCE
PRECAUTIONS
•
Do not disassemble or modify the PLC.
Doing so may cause fire, equipment failures, or malfunctions.
* For repair, contact your local Mitsubishi Electric representative.
•
Since the FX-USB-AW and FX
3U
-USB-BD case is made of resin, do not drop it or exert strong impact to it.
Doing so may cause damage.
DISPOSAL PRECAUTIONS
•
Please contact a certified electronic waste disposal company for the environmentally safe recycling and disposal of your device.
TRANSPORTATION AND STORAGE
PRECAUTIONS
•
The product is a precision instrument. During transportation, avoid any impacts.
Failure to do so may cause failures in the product.
After transportation, verify the operations of the product.
