A-2
[INSTALLATION PRECAUTIONS]
CAUTION
z Use the PLC in an environment that meets the general specifications given
in the User's Manual of the CPU module being used.
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.
z When installing the module, securely insert the module fixing tabs into the
mounting holes of the base unit while pressing the installation lever located
a t the bottom of the module downward.
Improper installation may result in malfunction , breakdown or the module
coming loose and dropping.
Securely fix the module with screws if it is subject to vibration during use.
z Tighten the screws within the range of specified torque.
If the screws are loose, it may cause the module to fallout, short circuits, or
malfunction.
If the screws are tightened too much, it may cause damage to the screw
and/or the module, resulting in fallout, short circuits or malfunction.
z Be sure to shut off all phases of the external power supply used by the
system before mounting or removing the module.
Not doing so may cause damage to the module.
z Do not directly touch the conductive area or electronic components of the
module.
Doing so may cause malfunction or failure in the module.
[WIRING PRECAUTIONS]
CAUTION
z Always ground the FG terminal for the PLC.
There is a risk of electric shock or malfunction.
z When turning on the power and operating the module after wiring is
completed, always attach the terminal cover that comes with the product.
There is a risk of electric shock if the terminal cover is not attached.
z Tighten the terminal screws within the range of specified torque.
If the terminal screws are loose, it may result in short circuits or
malfunction.
If the terminal screws are tightened too much, it may cause damage to the
screw and/or the module, resulting in short circuits or malfunction.
z Be careful not to let foreign matters such as sawdust or wire chips get
inside the module.
These may cause fires, failure or malfunction.
z The top surface of the module is covered with protective film to prevent
foreign objects such as cable offcuts from entering the module when wiring.
Do not remove this film until the wiring is complete.
Before operating the system, be sure to remove the film to provide
adequate heat ventilation.
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