Mitsubishi Electric MELSEC Q Series User Manual page 51

4 INSTALLATION, WIRING, START-UP, AND MAINTENANCE
Completely turn off the externally supplied power used in the system before clearing or tightening
the screws. Not doing so could result in electric shock.
Use the programmable controller in an environment that meets the general specifications contained in
CPU module User's
Using the programmable controller in an environment outside the range of the general specifications
could result in electric shock, fire, operation failure, and damage to or deterioration of the product.
Do not directly touch the module's conductive parts and electronic components. Doing so may could
cause an operation failure or give damage to the module.
Be sure there are no foreign matters such as sawdust or wiring debris inside the module. Such debris
could cause fire, damage, or operation failure.
Never try to disassemble or modify module. It may cause product failure, operation failure, injury or fire.
Completely turn off the externally supplied power used in the system before installation or removing the
module. Not doing so could result in damage to the module.
Because the connector has its orientation, check it before attaching or detaching the connector straight
from the front. Unless it is properly installed, a poor contact may occur, resulting in erroneous input and
output.
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 install the module with the fixing hole as a
supporting point. Incorrect installation of the module can cause an operation failure, damage or drop.
When using the module in the environment of much vibration or impact, tighten the module with a
screw. Tighten the screw in the specified torque range. Under tightening may cause a drop, short
circuit or operation failure. Over tightening may cause a drop, short circuit or operation failure due to
damage to the screw or module.
Lock the control panel and prevent access to those who are not certified to handle or install electric
equipment.
DANGER
CAUTION
Manual to use.
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MELSEC-Q