Technical data

Further AS-i System Components
3-8
SIMATIC NET AS-Interface – Introduction and Basic Information
C79000-G8976-C089/03
Using the Extender
The AS-Interface extender is used in applications in which the master is installed at
a greater distance from the actual AS-Interface installation:
S Masters can be located up to 100 m from the AS-interface segment.
S Slaves can only be used on the side of the extender away from the master.
S Power supply is only required on the side away from the master.
S No electrical isolation of the two cables.
S Indication of the correct voltage.
S Installed in standard application module casing. The extender is mounted on
the FK-E coupling module.
Master
max. 100m AS-Interface cable max. 100 m AS-Interface cable
AS-Interface power
supply unit
Extender
30
20
10
9
8
7
6
5
4
3
2
1
0
SINI C S1
6GK1 243–3SA0 0
1 2 3 4 5 6
7
8
9
+
10
ACTIVE SLAVES
CP FAULT
RUN
S1 POWER FAIL
CONFIG ERROR
AUTOPROG
CONFIG MODE
SET CONFIG
CHANGE MODE
CP 2433
21 3456
L1
N
ASI
+
ASI
–
SII MI N S
POWIR SUPPLY
ASI +
ASI –
Schirm
Schirm
Figure 3-6 Using the Extender