Operating Environment Precautions; Application Precautions - Omron CS CJ1W-ETN21 Operation Manual

Operating Environment Precautions

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Operating Environment Precautions

!Caution Do not operate the control system in the following locations:
!Caution Take appropriate and sufficient countermeasures when installing systems in
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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.
Observe the following precautions when using the Ethernet Unit.
Always heed these precautions. Failure to abide by the following precautions
could lead to serious or possibly fatal injury.
• Always connect to a ground of 100 Ω or less when installing the Units. Not
connecting to a ground of 100 Ω or less may result in electric shock.
• Always turn OFF the power supply to the CPU Unit and Slaves before
attempting any of the following. Not turning OFF the power supply may
result in malfunction or electric shock.
• Mounting or dismounting I/O Units, CPU Units, Memory Packs, or
Master Units.
• Assembling the Units.
• Setting DIP switches or rotary switches.
• Connecting cables or wiring the system.
• Connecting or disconnecting the connectors.
the Ethernet Unit or the system, or could damage the Ethernet Unit. Always
heed these precautions.
• Interlock circuits, limit circuits, and similar safety measures in external cir-
cuits (i.e., not in the Programmable Controller) must be provided by the
customer.
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