Advantech RS-485 Manual de usuario descargar pdf (Pagina 330)

100

101

E-4 ADAM-5000

ADAM-4000/5000 System Grounding Installation

Ø The shielding material of the wires should only be grounded on

one end as illustrated in the following diagram. This is to avoid

ground loop.

Figure E-3: Grounding for on-site facilities and ADAM-5000/4000

Systems

Ø Since shielded twisted-pair has been adopted for signal wires, only

DATA+ and DATA- of ADAM-5000 system should be connected.

And the shielding materials should be treated in the same manner

as with AI and AO signal wires, i.e. it should be connected to

Ground on only one end through the COM port on computer or on

ADAM-5000 system such as illustrated in the following diagram:

Figure E-4: Grounding for signal wires

ADAM System On-Site Facilities

Grounding

Gounded only on one end

DATA+

DATA -

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Advantech RS-485 Manual de usuario Pagina 330

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