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[Installation Precautions]
CAUTION
Use the programmable controller in an environment that meets the general specifications in
this manual.
Failure to do so may result in electric shock, fire, malfunction, or damage to or deterioration of
the product.
Securely fix the module using the DIN rail or mounting screws and fully tighten the mounting
screws within the specified torque range. If the screws are loose, it may result in fallout, short
circuits, or malfunctions. Tightening the screw too far may cause damages to the screws and/or
the module, resulting in a fallout, short circuits, or malfunctions.
Securely connect the external device connection connector and peripheral device connection
connector into the module connector until a click is heard.
Improper connection could lead to a connection fault, and to incorrect inputs and outputs.
When not connecting the drive unit and peripheral device, always install a cover on the
connector section.
Failure to observe this could lead to malfunctioning.
[Wiring Precautions]
WARNING
Check the rated voltage and terminal layout before wiring to the programmable controller, and
connect the cables correctly. Connecting a power supply with a different voltage rating or
incorrect wiring may cause a fire or failure.
Check the terminal layout before wiring to the module, and connect the cables correctly.
Prevent foreign matter such as dust or wire chips from entering the module.
Such foreign matter can cause a fire, failure, or malfunction.
[Wiring Precautions]
!
CAUTION
Tighten the terminal screws within the range of the specified torque.
If the terminal screws are loose, it may result in short circuits, or malfunctions. Tightening the
terminal screws too far may cause damages to the terminal screws and/or the module, resulting
in short circuits, or malfunctions.
Be sure there are no foreign substances such as sawdust or wiring debris inside the module.
Such debris could cause fires, failure, or malfunction.
Individually ground the FG terminal of the programmable controller with a ground resistance of
100 ohms or less. Failure to do so may result in malfunction.
Place the cables in a duct or clamp them.
If not, dangling cable may swing or inadvertently be pulled, resulting in damage to the module
or cables or malfunction due to poor contact.
Keep a certain distance between the control wires and the communication cables.
Noise can cause a malfunction.
When disconnecting a cable from the module, do not pull on the cable itself. Disconnect cables
not fitted with a connectors by holding and pulling the cable connector.
Disconnect cables not fitted with a connector by removing the screws from the part connected
to the module can cause damage to the module or cable, or ,malfunction due to cable
connection faults.