
A-1
DANGER
CAUTION
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SAFETY PRECAUTIONS
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(Always read before starting use)
Before using this product, please read this manual and the relevant manuals introduced in
this manual carefully and pay full attention to safety to handle the product correctly.
The instructions given in this manual are concerned with this product. For the safety
instructions of the programmable controller system, please read the CPU module user's
manual.
In this manual, the safety instructions are ranked as "DANGER" and "CAUTION".
Indicates that incorrect handling may cause hazardous conditions,
resulting in death or severe injury.
Indicates that incorrect handling may cause hazardous conditions,
resulting in medium or slight personal injury or physical damage.
Note that the
CAUTION
level may lead to a serious consequence according to the
circumstances.
Always follow the instructions of both levels because they are important to personal safety.
Please keep this manual in a safe place for future reference and also pass this manual on to
the end user.
[DESIGN PRECAUTIONS]
DANGER
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Depending on the malfunction of the external output transistor, there may be cases
where the output is ON or OFF status. Install external monitoring circuitry for output
signals that may lead to major accidents.
CAUTION
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Do not bunch the control wires or communication cables with the main circuit or power
wires, or install them close to each other.
They should be installed 150 mm(5.9 inch) or more from each other.
Not doing so could result in noise that may cause malfunction.