Mitsubishi Electric MELSEC Q Series User Manual page 6

[Startup and Maintenance Precautions]
● Shut off the external power supply (all phases) used in the system before cleaning the module or
retightening the connector screws. Failure to do so may result in electric shock.
● Do not disassemble or modify the module.
Doing so may cause failure, malfunction, injury, or a fire.
● Shut off the external power supply (all phases) used in the system before mounting or removing a
module. Failure to do so may cause the module to fail or malfunction.
● After the first use of the product, do not mount/remove the module to/from the base unit, and the
terminal block to/from the module more than 50 times (IEC 61131-2 compliant) respectively.
Exceeding the limit may cause malfunction.
● Before testing operation, set a low speed value for the speed limit parameter so that the operation can
be stopped immediately upon occurrence of a hazardous condition.
● Before handling the module, touch a conducting object such as a grounded metal to discharge the
static electricity from the human body. Failure to do so may cause the module to fail or malfunction.
[Precaution during operation]
● When changing data and operating status, and modifying program of the running programmable
controller from an external device such as 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.
[Disposal Precaution]
● When disposing of this product, treat it as industrial waste.
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