Siemens Simatic S7-300

Representation of the analog values of analog modules
5.2 Representation of the analog values of analog output channels
S7-300 Automation System Module data
5-18 Manual, 08/2006, A5E00105505-04
5.2 5.2 Representation of the analog values of analog output channels
Binary representation of output ranges
Table 5-33 Bipolar output ranges
Units 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
≥32512 0 % 0 1 1 1 1 1 1 1 x x x x x x x x Overflow
32511 117,589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1
27649 ≥100,004 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 1
Overshoot
range
27648 100,000 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0
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
Nominal
range
-27649 ≤100,004 1 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1
-32512 -117,593 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
Undershoot
range
≤32513 0 % 1 0 0 0 0 0 0 0 x x x x x x x x Underflow
Table 5-34 Unipolar output ranges
Units 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
≥32512 0 % 0 1 1 1 1 1 1 1 x x x x x x x x Overflow
32511 117,589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1
27649 ≥100,004 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 1
Overshoot
range
27648 100,000 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0
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
Nominal
range
-1 0,000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
-32512 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0
limited to the
low limit of
the rated
range, 0 V or
0 mA
≤32513 0 % 1 0 0 0 0 0 0 0 x x x x x x x x Underflow