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SAFETY PRECAUTIONS
(Read these precautions before use.)
Before using this product, please read this manual carefully and pay full attention to safety to handle the
product correctly.
The precautions given in this manual are concerned with this product. For the safety precautions of the
programmable controller system, please read the User's Manual for the CPU module.
In this manual, the safety precautions are classified into two levels: " WARNING" and " CAUTION".
Note that the CAUTION level may lead to a serious consequence according to the circumstances.
Always follow the precautions of both levels because they are important to personal safety.
Please save this manual to make it accessible when required and always forward it to the end user.
[DESIGN PRECAUTIONS]
[INSTALLATION PRECAUTIONS]
WARNING
Do not write data to "read-only area" or "reserved area" in the buffer memory of the intelligent
function module. Also do not turn ON/OFF the "reserved" signal in I/O signals to the programmable
controller CPU.
Doing any of these operations may cause a malfunction of the programmable controller system.
When a transistor for external output fails, the output may be ON or OFF status.
Create a circuit for monitoring output signal that may lead to serious accident.
CAUTION
Do not install the control lines and/or pulse input wiring together with the main circuit or power lines,
and also do not bring them close to each other.
Keep a distance of 150mm (5.91 inch) or more between them.
Failure to do so may cause a malfunction due to noise.
CAUTION
Use the programmable controller in the environment conditions given in the general specifications of
the User's Manual for the CPU module.
Failure to do so may cause an electric shock, fire, malfunction, or damage to or deterioration of the
product.
WARNING
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 minor or moderate injury or property damage.