Siemens SIMATIC ET 200AL System Manual page 1418

Distributed i/o system
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Example
The following example shows how the least significant digits are padded with "0" values:
● The module with 16-bit resolution is capable of incrementing the values in steps of one
● The module with 13-bit resolution is capable of incrementing the values in steps of 8 units
Table 3- 2
Resolution
Bit
16-bit
13-bit
S = sign
Note
For information on the resolution supported by each analog module, please refer to the
technical data for the relevant module.
Analog value processing
Function Manual, 06/2014, A5E03461439-AC
unit (2
= 1).
0
(2
= 8).
3
Example: Bit pattern of a 16-bit and 13-bit analog value
Analog value
15
14
13
S
2
2
14
S
2
2
14
12
11
10
9
2
2
2
2
13
12
11
10
9
2
2
2
2
13
12
11
10
9
Representation of analog values
8
7
6
5
4
2
2
2
2
2
8
7
6
5
4
2
2
2
2
2
8
7
6
5
4
3.1 Overview
3
2
1
0
2
2
2
2
3
2
1
0
2
0
0
0
3
61

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