Safety Instructions - Mitsubishi QD75M1 User Manual

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 CPU module User's Manual.
In this manual, the safety instructions are ranked as "DANGER" and "CAUTION".
DANGER
CAUTION
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 store this manual in a safe place and make it accessible when required. Always forward it to the
end user.
[INSTALLATION PRECAUTION]
Use the PLC within the general specifications environment given in the CPU module User's
Manual to use.
Using this PLC in an environment outside the range of the general specifications may cause
electric shock, fire, malfunction, and damage to or deterioration of the product.
While pressing the installation lever located at the bottom of module, insert the module fixing tab
into the fixing hole in the base unit until it stops. Then, securely mount the module with the fixing
hole as a supporting point.
Incorrect loading of the module can cause a malfunction, failure or drop.
When using the module in the environment of much vibration, tighten the module with a screw.
Tighten the screws within the specified torque range.
Undertightening can cause a drop, short circuit or malfunction.
Overtightening can cause a drop, short circuit or malfunction due to damage to the screws or
module.
Completely turn off the externally supplied power used in the system before installing or
removing the module. Not doing so may damage the product.
Do not directly touch the module's conductive parts and electronic components of the module.
Touching the conductive parts and electronic components of the module could cause an
operation failure or give damage to the module.

SAFETY INSTRUCTIONS

(Always read these instructions before using this equipment.)
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
A - 1