Technical data
The AS-i Masters
2-3
SIMATIC NET AS-Interface – Introduction and Basic Information
C79000-G8976-C089/03
CP 242-8 (Standard AS-i Master)
The CP 242-8 has not only the functions of the CP 242-2 but also a connection to
PROFIBUS DP (DP slave). This allows the cost-effective connection of an S7-200
to PROFIBUS DP and the AS-Interface at the same time.
Branch
Active module
Passive module
AS-i cable
Actuator/sensor
S7-200 CPU
AS-i master/DP slave
Q0.0
Q0.1
Q0.2
Q0.3
Q0.4
Q0.5
I 0.0
I 0.1
I 0.2
I 0.3
I 0.4
I 0.5
I 0.6
I 0.7
SF
RUN
STOP
SIMATIC
S7–200
SIEMENS
CP 242–8
Wider ranging network via PROFIBUS DP
SF
APF
CER
AUP
CM
AS-Interface
Master
CP 242-2
6GK7 242-2AX00-0XA0
1
2
3
4
5
6
7
8
0
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
X 2
3 4
AS-i power supply
(with integrated
AS-i connection)
(without integrated
AS-i connection)
(with integrated
AS-i connection)
Figure 2-2