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SAFETY PRECAUTIONS
(Always read these instructions before using this product.)
Before using this product, thoroughly read this manual and the relevant manuals introduced in this manual
and pay careful attention to safety and handle the products properly.
The precautions given in this manual are concerned with this product. For the safety precautions of the
system, refer to the User's Manual for each controller.
In this manual, the safety precautions are ranked as " WARNING" and " CAUTION".
Note that the CAUTION level may lead to serious consequences according to the circumstances.
Always follow the precautions of both levels because they are important for personal safety.
Please save this manual to make it accessible when required and always forward it to the end user.
[Design Instructions]
[Startup/Maintenance Instructions]
WARNING
● When data change, program change, or status control is performed from a personal computer to a running controller,
create an interlock circuit outside the programmable controller to ensure that the whole system always operates safely.
Furthermore, for the online operations performed from a personal computer to a controller, the corrective actions against a
communication error due to such as a cable connection fault should be predetermined as a system.
CAUTION
● The online operations performed from a personal computer to a running controller (Program change, operating status
change such as RUN-STOP switching, and remote control operation) have to be executed after the manual has been
carefully read and the safety has been ensured.
When changing a program while a controller is RUN, it may cause a program corruption in some operating conditions.
Fully understand the precautions described in the manuals and Help function of each controller before use.
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 miner or moderate injury or property damage.