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[Wiring Precautions] 
!
 
CAUTION 
• Always secure the communication cable connected to the product by running it in a conduit or 
clamping it. 
Not doing so can cause damage to the product and/or cable due to the dangling, motion, 
careless pulling, etc. of the cable or cause a malfunction due to a faulty connection of the cable. 
• When disconnecting the communication cable connected to the product, do not pull it by holding 
its cable part. 
When disconnecting the cable with connector, hold the connector of the product's connection 
part. 
Disconnect the terminal block connection cable after loosening the terminal block screws. 
Pulling the cable connected to the product can cause a malfunction or damage to the product 
and/or cable. 
 
[Starting and Maintenance Precautions] 
!
 
CAUTION 
• Do not touch pins while the product is energized.  Doing so may cause malfunctions. 
• Be sure to shut off all phases of the external power supply used by the system before cleaning. 
• Do not disassemble or modify the product. 
Doing so may cause failure, malfunctions, injury or fire. 
• Do not drop the product or give it hard impact since its case is made of resin. Doing so can 
damage the product. 
• Be sure to shut off all phases of the external power supply used by the system before mounting 
or dismounting the product to or from the panel. 
Not doing so can cause the product to fail or malfunction. 
• Mounting/removing the terminal block is limited to 50 times after using a product. 
(IEC61131-2-compliant) 
• Before handling the module, always touch grounded metal, etc. to discharge static electricity 
from the human body. 
Failure to do so can cause the module to fail or malfunction. 
 
[Disposal Precautions] 
!
 
CAUTION 
• When disposing of this product, treat it as industrial waste.