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[STARTING AND MAINTENANCE PRECAUTIONS]
!
CAUTION
• Do not disassemble or modify the modules.
Doing so could cause failure, malfunction injury or fire.
• Be sure to shut off all phases of the external power supply used by the system before mounting
or removing the module.
Not doing so may cause failure or malfunction of the module.
In the system where a CPU module supporting the online module change is used and on the
MELSECNET/H remote I/O stations, modules can be replaced online (during energizing).
However, there are some restrictions on replaceable modules and the replacement procedures
are predetermined for each module.
For details, refer to the chapter of the online module change in this manual.
• Do not mount/remove the module onto/from the base unit more than 50 times (IEC 61131-2-
compliant), after the first use of the product.
Failure to do so may cause malfunction.
• Do not touch the connector while the power is on.
Doing so may cause malfunction.
• Be sure to shut off all phases of the external power supply before cleaning or retightening the
terminal screws or module fixing screws.
Not doing so may cause failure or malfunction of the module.
If the screws are loose, it may cause the module to fallout, short circuits, or malfunction.
If the screws are tightened too much, it may cause damages to the screws and/or the module,
resulting in the module falling out, short circuits or malfunction.
• Always make sure to touch the grounded metal to discharge the electricity charged in the body,
etc., before touching the module.
Failure to do so may cause a failure or malfunctions of the module.
[DISPOSAL PRECAUTIONS]
!
CAUTION
• When disposing of this product, treat it as industrial waste.
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