5
[Installation Precautions]
CAUTION
● Do not touch the conductive parts of the product directly. Doing so may cause device failures or
malfunctions.
● When drilling screw holes or wiring, make sure that cutting and wiring debris do not enter the
ventilation slits of a programmable controller. Failure to do so may cause fire, equipment failures or
malfunctions.
● For the product supplied together with a dust proof sheet, the sheet should be affixed to the ventilation
slits before the installation and wiring work to prevent foreign objects such as cutting and wiring
debris.
However, when the installation work is completed, make sure to remove the sheet to provide
adequate ventilation. Failure to do so may cause fire, equipment failures, or malfunctions.
● Install the product on a flat surface. If the mounting surface is rough, undue force will be applied to the
PC board, thereby causing nonconformities.
● Install the product securely using a DIN rail or mounting screws.
● Work carefully when installing the product using a screwdriver. Failure to do so may cause damage to
the product or accidents.
● Connect extension cables, peripheral device cables, input/output cables and battery connecting
cables securely to their designated connectors. Loose connections may cause malfunctions.
● Always turn off the power before attaching or detaching the following devices. Failure to do so may
cause failure or malfunction.
(1) Peripheral devices, expansion boards, and expansion adapters
(2) Extension modules and connector conversion modules
(3) Battery
● The safety extension module is only suitable for mounting in a control panel with at least IP 54 degree
of protection.
Failure to meet the installation method may cause the module to fail or malfunction due to the
deposition of dust or the adhesion of water.
● Wiring and replacement of this product must be performed by qualified maintenance personnel who is
familiar with protection against electric shock.
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