Siemens SIMATIC ET 200AL, System Manual

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Representation of analog values
3.3 Representation of output ranges
Analog value processing
Function Manual, 06/2014, A5E03461439-AC
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3.3 Representation of output ranges
The tables below set out the digitalized representation of the output ranges by bipolar and
unipolar range. The resolution is 16 bits.
Please see the device manuals for each analog output module for assignment of the values
to the specific output values in each measuring range.
Table 3- 5 Bipolar output ranges
Dec. value Output
value in %
Data word Range
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
32511 117.589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 Maximum output
value*
32511 117.589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 Over range
27649 100.004 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 1
27648 100.000 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 Rated range
1 0.003617 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
0 0.000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
-1 -0.003617 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
-27648 -100.000 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
-27649 100.004 1 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1 Under range
-32512 -117.593 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
-32512 -117.593 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Minimum output
value**
* When values > 32511 are specified, the output value is limited to 117.589 % or 0 % (0.0 V / 0.0 mA), depending on the
module used.
** When values < -32512 are specified, the output value is limited to -117.593 % or 0 % (0.0 V / 0.0 mA), depending on the
module used.