Mitsubishi MELSEC-Q Q68TD-G-H02 User Manual page 2

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 User's
Manual for the CPU module.
In this section, the safety precautions are ranked as "DANGER" and "CAUTION".
DANGER
CAUTION
Note that the
to the circumstances.
Always follow the precautions of both levels because they are important to
personal safety.
Please keep this manual accessible when required and always forward it to the
end user.
[DESIGN PRECAUTIONS]
Do not write data into the "system area" of the buffer memory of intelligent
function modules. Also, do not use any "prohibited to use" signals as an
output signal to an intelligent function module from the programmable
controller CPU.
Writing data into the "system area" or outputting a signal for "prohibited to
use" may cause a programmable controller system malfunction.
SAFETY PRECAUTIONS
(Read these precautions before use.)
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.
CAUTION level may lead to a serious consequence according
DANGER
A-1