Advantech 5000 Series Manual de usuario descargar pdf (Pagina 281)

100

101

Grounding Reference

1.2 The Frame Ground and Grounding Bar

Single Phase,

Three Line

110V

220V

Neutral is the physical cable

from Generator.

Ground

is the local physical cable that connected

Ground Bar

Figure F-2 : Grounding Bar

According to previous description, the grounding is the most impor-

tant issue for our system. Just like ‘Frame Ground’ of the computer,

this signal offers a reference point of the electronic circuit inside the

computer. When we want to communicate with this computer, not only

‘signal ground’, but also ‘frame ground’ should be connected to make

a reference point of each other’s electronic circuit. Generally speaking,

it’s necessary to build a individual grounding bar for each system,

such as computer networks, telecommunication networks, power

system, . . . , etc. Those individual grounding bars not only provide the

individual reference point, but also make the earth as a real ground!

F-4 ADAM-5000

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