1
SAFETY PRECAUTIONS
(Read these precautions before using this product.)
Before using the MELSEC-L series products, please read this manual and the
relevant manuals carefully and pay full attention to safety to handle the product
correctly. When equipment is used by the way a maker doesn't designate, the
protection of the equipment may be damaged.
In this manual, the safety precautions are classified into two levels:
"
WARNING" and "
CAUTION".
Under some circumstances, failure to observe the precautions given under "
CAUTION" may lead to serious consequences.
Observe the precautions of both levels because they are important for personal
and system safety.
Make sure that the end users read this manual and then keep the manual in a safe
place for future reference.
All safety precautions for the MELSEC-L series products are described in this
manual.
[Design Precautions]
WARNING
●
Configure safety circuits external to the programmable controller to ensure
that the entire system operates safely even when a fault occurs in the external
power supply or the programmable controller. Incorrect output or malfunction
due to a communication failure may result in an accident.
(1) Emergency stop circuits, protection circuits, and protective interlock
circuits for conflicting operations such as forward/reverse rotations or
upper/lower limit positioning must be configured external to the
programmable controller.
WARNING
Indicates that incorrect handling may cause
hazardous conditions, resulting in death or severe
injury.
Indicates that incorrect handling may cause
hazardous conditions, resulting in minor or moderate
injury or property damage.
CAUTION
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