Circutor ReadWatt Series Manual do Utilizador descarregar pdf (Página 11)

3.4.- CONNECTION DIAGRAM

3�4�1�- RS-485 CONNECTION

Use an intelligent RS-232 to RS-485 network protocol converter to establish the

communications with the master unit ( Figure 6).

RS-232

2 53

2

PC

2

3

1

5

B(-)A(+)

RS-485

(+)

(-)

B

A

+

-

Alimentación

Power Supply

A(+)

B(-)

Alimentación

Power Supply

ReadWatt

Figure 6: RS-485 Connection diagram�

11

Instruction Manual

ReadWatt

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