Installation In A Control Panel; Installation In Cabinets Or Control Panels; Temperature Control; Mounting Units - Omron NJ501-1 Series User Manual

4-3

Mounting Units

Precautions for Correct Use Precautions for Correct Use
• Follow the instructions in this manual to correctly perform installation.
• Do not operate or store the Controller in the following locations. Doing so may cause operation
to stop or incorrect operation.
• Locations subject to direct sunlight.
• Locations subject to temperatures or humidity outside the range specified in the specifica-
tions.
• Locations subject to condensation as the result of severe changes in temperature.
• Locations subject to corrosive or flammable gases.
• Locations subject to dirt, dust, salt, and metal powder.
• Locations subject to exposure to water, oil, or chemicals.
• Locations subject to shock or vibration.
• Take appropriate and sufficient countermeasures when installing systems in the following loca-
tions:
• Locations subject to strong, high-frequency noise.
• 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.
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Installation in a Control Panel

Installation in Cabinets or Control Panels

When the Controller is being installed in a cabinet or control panel, be sure to provide proper ambient
conditions as well as access for operation and maintenance.
 Temperature Control
The ambient temperature within the enclosure must be within the operating range of 0 to 55C.
When necessary, take the following steps to maintain the proper temperature.
• Provide enough space for good air flow.
• Do not install the Controller directly above equipment that generates a large amount of heat such
as heaters, transformers, or high-capacity resistors.
• If the ambient temperature exceeds 55C, install a cooling fan or air conditioner.
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4 Installation and Wiring
4
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