Safety Instruction
Safety Instructions for Design Process
Safety Instructions on Installation Process
 I/O signal or communication line shall be wired at least 100mm away from a high-
voltage cable or power line. Fail to follow this.
 Use PLC only in the environment specified in PLC manual or general standard of data
sheet. If not, electric shock, fire, abnormal operation of the product may be caused.
 Before install or remove the module, be sure PLC power is off. If not, electric shock or
damage on the product may be caused.
 Be sure that every module is securely attached after adding a module or an extension
connector. If the product is installed loosely or incorrectly, abnormal operation, error or
dropping may be caused. In addition, contact failures under poor cable installation will be
causing malfunctions as well.
 Be sure that screws get tighten securely under vibrating environments. Fail to do so will
put the product under direct vibrations which will cause electric shock, fire and abnormal
operation.
 Do not come in contact with conducting parts in each module, which may cause electric
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