Mitsubishi Electric Melsec Q Series User Manual page 7

[Setup and Maintenance Precautions]
 Never disassemble or modify the module. This may cause breakdowns, malfunctions, injuries or
fire.
 Before mounting/dismounting the module, be sure to shut off all phases of external power supply
used by the system.
Failure to do so may cause module failure or malfunctions.
 Do not mount/remove the module onto/from base unit more than 50 times (IEC 61131-2
compliant), after the first use of the product.
Failure to do so may cause the module to malfunction due to poor contact of connector.
 Do not touch the terminals while the power is on. Doing so may cause electric shocks or
malfunctions.
 Before cleaning up and retightening terminal screws and module fixing screws, be sure to shut
off all phases of external power supply used by the system.
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.
[Operating Precautions]
 When changing data and operating status, and modifying program of the running programmable
controller from a personal computer connected to an intelligent function module, read relevant
manuals carefully and ensure the safety before operation.
Incorrect change or modification may cause system malfunction, damage to the machines, or
accidents.
[Precautions When Disposing of This Product]
 Dispose of this product as an industrial waste.
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CAUTION
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CAUTION
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CAUTION
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