Installation Environment; Power Supply And Fg Wiring; Power Supply Wiring - Omron NSH5 Operation Manual

Installation Environment

2-1 Installation Environment
Precautions
2-2

Power Supply and FG Wiring

2-2-1

Power Supply Wiring

24
Observe the following precautions when installing an NSH5 Programmable
Terminal.
Do not install the PT in the following locations.
• Locations subject to severe changes in temperature
• Locations subject to temperatures or humidity outside the range specified
in the specifications
• Locations subject to condensation as a result of severe changes in tem-
perature
• Locations subject water, oil, or chemical spray
• Locations subject to corrosive or flammable gases
• Locations subject to shock or vibration
• Locations outdoors directly subject to wind or rain
• Locations subject to strong ultraviolet light
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
Note Before unpacking the PT or Peripheral Devices, look the product over and
check for any damage. Gently shake the product and listen for any abnormal
sounds.
Connect a 24-VDC power supply to the power supply input terminals. The fol-
lowing table shows the specifications for the power supply that can be con-
nected. Determine the power supply specifications so that the power supply
capacity is satisfied.
Item
Power supply voltage
Allowable power supply voltage
fluctuation range
Power supply capacity
Wire the power supply input terminals to the 24-VDC power supply as shown
below.
24 VDC
(Functional ground)
Note (1) Do not connect an AC power supply to the power supply terminals.
Specifications
24 VDC
20.4 to 27.6 VDC (24 VDC
10 W min.
24-VDC interface at NSH5
Section 2-1
±
15%)