ENGLISH
Pag. 46
Figure 10) RS485 bus devices connection: closed loop (on the left) and open loop (on the right)
+
-
+
-
+
-
Bus1
B
B
A
A
Bus2
From the remote auxiliary power supply
Twisted
/ shielded 2x0,2 cable (Belden 9841,
Elan 03929(1)-(5) or equivalent)
+
-
A
B
1
2
7
6
5
VI+
VI-
VO-
VO+
NC
1
2
7
6
5
VI+
VI-
VO-
VO+
NC
Serial line 1
board
Serial line 2
board
+ -
S
B
A
+
+
-
+ -
S
B
A
+
+
-
+ -
S
B
A
+
+
-
+ -
S
B
A
+
++
Bus1
B A
Bus2
B A
Come Bus 1
1
2
7
6
5
VI+
VI-
VO-
VO+
NC
1
2
7
6
5
VI+
VI-
VO-
VO+
NC
Scheda Linea
seriale 1
Scheda Linea
seriale 2
Dall’alimentatore ausiliario remoto
Cavo
twistato
/ schermato 2x022 (Belden 9841,
Elan 03929(1)-(5) o equivalente)
Al rilevatore o
modulo successivo
+
-
--
+
-
A
B
+
-
+ -
S
B
A
+
+
-
+ -
S
B
A
+
+
-
+ -
S
B
A
+
+
-
+ -
S
B
A
+
Summary of Contents for MULTISCAN++/S1-32
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