Siemens DP/AS-Interface Link 20E

Data Exchange Between the DP Master and AS-i Slave
55
DP/AS-Interface Link 20E
Release 11/2002
C79000-G8976-C138–04
DP master
AS-i
slave 2
AS-i
slave 1
AS-i
slave n
ÍÍÍ
ÍÍÍ
ÎÎÎ
ÎÎÎ
ÎÎÎ
AS-i slaves
ÍÍÍ
ÍÍÍ
ÎÎ
ÎÎ
ÍÍÍ
ÍÍÍ
ÎÎ
ÎÎ
ÍÍÍ
ÍÍÍ
ÎÎ
ÎÎ
PROFIBUS AS-Interface
DP/AS-i Link
write_record
S Analog values
S Command job
Acyclic services
SF
APF
CER
AUP
CM
6GK7 1415 2AA0
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
DIA
ADR
BF
DP-AS Interface
Link 20
Data area for
analog
output values
Data area for
analog input
values
read_record
S Analog values
S Command response
Data records
140–147 for
analog
values
outputs
Data records
140–147 for
analog
values inputs
Figure 2-3