Siemens 181

Representation of analog values
B.1 Representation of input ranges
Analog input module AI 4xRTD/TC 2-/3-/4-wire HF (6ES7134-6JD00-0CA1)
Manual, 02/2014, A5E03573289-AD
63
B.1 Representation of input ranges
In the following tables, you can find the digitized representation of the bipolar and unipolar
input ranges. The resolution is 16 bits.
Table B- 2 Bipolar input ranges
Dec.
value
Measured
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
32767 >117.589 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Overflow
32511 117.589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 Overrange
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
Nominal
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 Underrange
-32512 -117.593 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
-32768 <-117.593 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Underflow
Table B- 3 Unipolar input ranges
Dec.
value
Measured
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
32767 >117.589 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Overflow
32511 117.589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 Overrange
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 Nominal
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 Underrange
-4864 -17.593 1 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0
-32768 <-17.593 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Underflow