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Exemple D'application - Westermo RD-48 HV Installationsanleitung

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9.  Exemple d'application
Dans les applications RS-422/485 les réseaux en étoile ne sont pas autorisés. 
L'utilisation du RD-48 permet de construire ce type de réseau en créant des branches  
de 1200 m. Il est à remarquer que le RD-48 doit être connecté à une distance de 30 cm 
maximum du bus.
+5V
0V
R+
Ligne
R–
= Terminaison
Remarque : Il n'est pas possible de connecter plus de 8 répéteurs sur une connexion série.
5
4
3
2
1
5
4
3
2
1
PWR
PWR
LINE - B
LINE - B
T-
T+
R-
R+
T-
T+
R-
R+
RD-48
RD-48
RS-422/485
RS-422/485
REPEATER/
REPEATER/
CONVERTER
CONVERTER
LINE - A
POWER
LINE - A
POWER
R+
R- T+
T-
R+
R- T+
T-
1
2
3
4
5
N
L
1
2
3
4
5
N
L
RD-48
RD-48
RD-48
RD-48
6153-2004
PWR
5
4
3
2
1
LINE - B
T-
T+
R-
R+
RD-48
RS-422/485
REPEATER/
CONVERTER
LINE - A
POWER
R+
R- T+
T-
1
2
3
4
5
N
L
RD-48
PWR
5
4
3
2
1
LINE - B
T-
T+
R-
R+
RD-48
RS-422/485
REPEATER/
CONVERTER
LINE - A
POWER
R+
R- T+
T-
1
2
3
4
5
N
L
RD-48
5
4
3
2
1
PWR
LINE - B
T-
T+
R-
R+
RD-48
RS-422/485
REPEATER/
CONVERTER
LINE - A
POWER
R+
R- T+
T-
1
2
3
4
5
N
L
RD-48
5
4
3
2
1
5
4
3
2
1
PWR
PWR
LINE - B
LINE - B
T-
T+
R-
R+
T-
T+
R-
R+
RD-48
RD-48
RS-422/485
RS-422/485
REPEATER/
REPEATER/
CONVERTER
CONVERTER
LINE - A
POWER
LINE - A
POWER
R+
R- T+
T-
R+
R- T+
T-
1
2
3
4
5
N
L
1
2
3
4
5
N
L
RD-48
RD-48
RD-48
RD-48
PWR
5
4
3
2
T-
T+
R-
RD-48
RS-422/485
REPEATER/
CONVERTER
LINE - A
R+
R- T+
T-
1
2
3
4
5
4
3
2
PWR
T-
T+
R-
RD-48
RS-422/485
REPEATER/
CONVERTER
LINE - A
R+
R- T+
T-
1
2
3
4
5
4
3
2
1
5
4
3
2
1
PWR
PWR
LINE - B
LINE - B
T-
T+
R-
R+
T-
T+
R-
R+
RD-48
RD-48
RS-422/485
RS-422/485
REPEATER/
REPEATER/
CONVERTER
CONVERTER
LINE - A
POWER
LINE - A
POWER
R+
R- T+
T-
R+
R- T+
T-
1
2
3
4
5
N
L
1
2
3
4
5
N
L
RD-48
RD-48
RD-48
RD-48
1
LINE - B
R+
POWER
5
N
L
RD-48
1
LINE - B
R+
POWER
5
N
L
RD-48
5
4
3
2
1
5
4
3
2
1
PWR
PWR
LINE - B
T-
T+
R-
R+
T-
T+
R-
R+
RD-48
RD-48
RS-422/485
RS-422/485
REPEATER/
REPEATER/
CONVERTER
CONVERTER
LINE - A
POWER
LINE - A
R+
R- T+
T-
R+
R- T+
T-
1
2
3
4
5
N
L
1
2
3
4
5
RD-48
RD-48
RD-48
RD-48
LINE - B
POWER
N
L
55

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Diese Anleitung auch für:

Rd-48 lvRd-48 lv tempRs-422Rs-485