Siemens SIMATIC ET 200SP Manual page 59

7.3 AS-i analog values and transparent / digital values more than 4 bits in length are transferred
The table below shows which data record is used by each AS-i slave to transfer the analog
values. The subsequent table shows the assignment of analog values to the respective
analog slaves.
The tables are applicable to analog inputs and analog outputs.
Table 7- 9 Access to analog values via data records
AS-I
address of
DS 140
the slave
1 0
2 8
3 16
4 24
5 32
6 40
7 48
8 56
9 64
10 72
11 80
12 88
13 96
14 104
15 112
16 120
17 128
18 136
19 144
20 152
21 160
22 168
23 176
24 184
25 192
26 200
27 208
28 216
29 224
30 232
31 —
AS-Interface master CM AS-i Master ST (3RK7137-6SA00-0BC1)
Manual, 07/2017, A5E02655262020A/RS-AD/004
Start addresses for analog values in the data record
DS 141 DS 142
— —
— —
— —
— —
0 —
8 —
16 —
24 —
32 0
40 8
48 16
56 24
64 32
72 40
80 48
88 56
96 64
104 72
112 80
120 88
128 96
136 104
144 112
152 120
160 128
168 136
176 144
184 152
192 160
200 168
208 176
Data exchange between the user program and AS-i slaves
DS 143 DS 144
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
0 —
8 —
16 —
24 —
32 0
40 8
48 16
56 24
64 32
72 40
80 48
88 56
96 64
104 72
112 80
120 88
128 96
136 104
144 112
DS 145 DS 146
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
0 —
8 —
16 —
24 —
32 0
40 8
48 16
56 24
64 32
72 40
80 48
DS 147
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
8
16
59