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[Installation Precautions]
• Use the module in the environment given in the general specifications of this Manual.
Using this programmable controller in an environment outside the range of the general
specifications could result in electric shock, fire, erroneous operation, and damage to or
deterioration of the product.
• For protection of the switches, do not remove the cushioning material before installation.
• Securely fix the module with a DIN rail or mounting screws. Tighten the screws within the
specified torque range.
Undertightening can cause drop of the screw, short circuit, or malfunction.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or
malfunction.
• Do not directly touch the module's conductive parts or electronic components.
Touching the conductive parts could cause an operation failure or give damage to the module.
[Wiring Precautions]
Shut off the external power suppy for the system in all phases before wiring.
Failure to do so may result in damage to the product.
• Be sure to ground the FG terminals to the protective ground conductor. Not doing so could result
in erroneous operation.
Use applicable solderless terminals and tighten them with the specified torque. If any solderless
spade terminal is used, it may be disconnected when the terminal screw comes loose, resulting
in failure.
• When wiring in the programmable controller, be sure that it is done correctly by checking the
product's rated voltage and the terminal layout.
Connecting a power supply that is different from the rating or incorrectly wiring the product could
result in fire or damage.
• Tighten the terminal screws with the specified torque.
If the terminal screws are loose, it could result in short circuits, fire, or erroneous operation.
Overtightening can damage the screw and/or module, resulting in drop, short circuit, or
malfunction.
• Be sure there are no foreign substances such as sawdust or wiring debris inside the module.
Such debris could cause fires, damage, or erroneous operation.
• Do not install the control lines together with the communication cables, or bring them close to
each other. Failure to do so may cause malfunctions due to noise.
• When connecting the communication and power supply cables to the module, always run them
in conduits or clamp them.
Not doing so can damage the module and cables due to loose, moved or accidentally pulled
cables or can cause a malfunction due to a cable connection fault.
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