3 Installation and Wiring
3-2
NB-series Programmable Terminals Startup Guide Manual(V109)
3-1 Installation
This section describes the installation environment of the NB Unit and how to mount the NB Unit to the
control panel.
When mounting the NB unit onto the operation panel, pay attention to the following precautions.
Precautions for Correct UsePrecautions for Correct Use
• Do not install the Unit in any of the following locations:
Locations subject to rapid changes in temperature
Locations subject to temperatures or humidity outside the range specified in the specifications
Locations subject to condensation as the result of high humidity
Locations subject to corrosive or flammable gases
Locations subject to strong shock or vibration
Locations outdoors subject to direct wind and rain
Locations subject to strong ultraviolet light
Locations subject to dust
Locations subject to direct sunlight
Locations subject to splashing oil or chemicals
• Take appropriate and sufficient countermeasures when the product is used in the following
locations:
Locations subject to static electricity or other forms of noise
Locations subject to strong electric field or magnetic field
Locations close to power supply lines
Locations subject to possible exposure to radioactivity
When unpacking the NB Units and the peripheral devices, check carefully for any external
scratches or other damages. Also, shake the Unit gently and check for any abnormal sound.
Always ensure that the personnel in charge confirm that installation, inspection, and
maintenance were properly performed for the NB Unit.
“Personnel In charge” refers to individuals qualified and responsible for ensuring
safety during machine design, installation, operation, maintenance, and disposal.
Ensure that installation and post-installation checks are performed by personnel in
charge who possess a thorough understanding of the machinery to be installed.
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