xxiii
Operating Environment Precautions
4
4
Operating Environment Precautions
!Caution
Do not operate the control system in the following locations:
• Locations subject to drastic temperature changes or condensation.
• Locations subject to temperatures or humidity outside the range specified
in the specifications.
• Locations subject to high humidity and the possibility of condensation.
• Locations subject to exposure to chemicals.
• Locations subject to exposure to oil.
• Locations subject to corrosive or flammable gases.
• Locations subject to shock or vibration.
• Locations outdoors subject to direct rain or wind.
• Locations subject to strong ultraviolet light.
• Locations subject to excessive dust and dirt.
• Locations subject to direct sunlight.
!Caution
Take appropriate and sufficient countermeasures when installing systems in
the following locations:
• Locations subject to static electricity or other forms of noise.
• Locations subject to strong electromagnetic fields.
• Locations close to power lines.
• Locations subject to possible exposure to radioactivity.
!Caution
The operating environment of the NSJ Controller can have a large effect on
the longevity and reliability of the system. Improper operating environments
can lead to malfunction, failure, and other unforeseeable problems with the
NSJ Controller. Be sure that the operating environment is within the specified
conditions at installation and remains within the specified conditions during
the life of the system.
5
Application Precautions
!WARNING
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.
24 V
0 V
FG
CJ1W-SCU
or other Unit
0 V
Wiring in Which the 24-V Power Supply Will Short
Non-insulated
DC power supply
Expansion Rack
Peripheral
cable
Peripheral device (e.g.,
personal computer)
