bihl+Wiedemann 1249 - Page 19

AS-i/PROFIBUS Gateway Connections, Displays and Operating Keys
Subject to reasonable modifications due to technical advances Copyright Bihl+Wiedemann, Printed in Germany
Bihl+Wiedemann GmbH · D-68199 Mannheim · Phone +49-621-339960 · Fax +49-621-3392239 · Internet http://www.bihl-wiedemann.de
issue date 7.1.2002
17
Connection variations for the AS-i circuits (here only displayed for one AS-i circuit)
In the wiring schemes above the current through the AS-i mas-
ter must not exceed 5 A.
GND
AS-i Maste
r
max. 8 A
PELV according to EN 60950
(Protective extra low voltage)
A
S-i
power
supply
-
+
AS-i Slave
-
+
AS-i Slave
-
+
GND
max. 5 A
PELV according to EN 60950
(Protective extra low voltage)
A
S-i
power
supply
-
+
AS-i Slave
-
+
AS-i Slave
-
+
AS-i Maste
r
AS-i master
AS-i 1
power
GND a b
+ - + -
AS-i 2
max. 8 A
PELV according to EN 60950
(Protective extra low voltage)
-
+
AS-i slave
-
+
max. 8 A
PELV according to EN 60950
(Protective extra low voltage)
-
+
AS-i slave
-
+
-
+
18 - 31.6 V DC
150 mA
PELV according to EN 60950
(Protective extra low voltage)
- + - +
0V
24V
max. 100m AS-i cable (without repeater)
max. 62 AS-i slaves (with advanced address range)
max. 100m AS-i cable (without repeater)
max. 62 AS-i slaves (with advanced address range)
A
S-i
power
supply
A
S-i
power
supply
A
S-i
power
supply