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[Wiring Precautions]
CAUTION
Be sure to ground the FG terminals and LG terminals to the protective ground conductor.
Not doing so could result in electric shock or erroneous operation.
Use a solderless terminal with insulation sleeve for wiring of a terminal block.
Use up to two solderless terminals for a single terminal.
Use applicable solderless terminals and tighten them with the specified torque.
If any solderlessspade terminal is used, it may be disconnected when the terminal screw comes
loose, resultingin failure.
Wire the module correctly after confirming the rated voltage and terminal layout.
Connecting a power supply of a different rated voltage or incorrect wiring may cause a fire or failure.
Tighten a terminal block mounting screw, terminal screw, and module fixing screw within the
specified torque range.
If the terminal block mounting screw or terminal screw is too loose, it may cause a short circuit, fire,
or malfunctions.
If too tight, it may damage the screw and/or the module, resulting in a drop of the screw or module, a
short circuit or malfunctions.
If the module fixing screw is too loose, it may cause a drop of the screw or module.
Over tightening the screw may cause a drop due to the damage of the screw or module.
Be sure there are no foreign substances such as sawdust or wiring debris inside the module.
Such debris could cause a fire, failure, or erroneous operation.
The module has an ingress prevention label on its top to prevent foreign matter, such as wire offcuts,
from entering the module during wiring.
Do not peel this label during wiring.Before starting system operation, be sure to peel this label
because of heat dissipation.
Install our PLC in a control panel for use.
Wire the main power supply to the power supply module installed in a control panel through a
distribution terminal block.
Furthermore, the wiring and replacement of a power supply module have to be performed by a
maintenance worker who acquainted with shock protection.
(For the wiring methods, refer to Section 10.3.)
