Operating Environment Precautions; Application Precautions - Omron SYSMAC Operation Manual

Operating Environment Precautions

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Operating Environment Precautions

!Caution Do not operate the control system in the following places:
!Caution Take appropriate and sufficient countermeasures when installing systems in
!Caution The operating environment of the PLC System can have a large effect on the
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Application Precautions

!WARNING
!Caution Failure to abide by the following precautions could lead to faulty operation of
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• Locations subject to direct sunlight.
• Locations subject to temperatures or humidity outside the range specified
in the specifications.
• Locations subject to condensation as the result of severe changes in tem-
perature.
• Locations subject to corrosive or flammable gases.
• Locations subject to dust (especially iron dust) or salts.
• Locations subject to exposure to water, oil, or chemicals.
• Locations subject to shock or vibration.
the following locations:
• Locations subject to static electricity or other forms of noise.
• Locations subject to strong electromagnetic fields.
• Locations subject to possible exposure to radioactivity.
• Locations close to power supplies.
longevity and reliability of the system. Improper operating environments can
lead to malfunction, failure, and other unforeseeable problems with the PLC
System. Be sure that the operating environment is within the specified condi-
tions at installation and remains within the specified conditions during the life
of the system.
Observe the following precautions when using the PLC System.
Always heed these precautions. Failure to abide by the following precautions
could lead to serious or possibly fatal injury.
• Always turn OFF the power supply to the PLC before attempting any of
the following. Not turning OFF the power supply may result in malfunction
or electric shock.
• Mounting or dismounting the CPU board or expansion I/O board.
• Setting switches or rotary switches.
• Connecting or wiring the cables.
• Connecting or disconnecting the connectors.
the PLC or the system, or could damage the PLC. Always heed these precau-
tions.
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