Siemens SIMATIC Manual page 263

Table 5- 4 Unipolar input ranges
Units Measured
value in %
≥118.515
32767
32511 117.589
≥100.004
27649
27648 100.000
1 0.003617
0 0.000
-1 -0.003617
-4864 -17.593
≤-17.596
-32768
Representation of analog values in voltage measuring ranges
Table 5- 5 Representation of analog values in the ±1 V to ±10 V voltage measuring range
System Voltage measuring range
dec hex ±10 V
32767 7FFF 11.851 V
32512 7F00
32511 7EFF 11.759 V
27649 6C01
27648 6C00 10 V
20736 5100 7.5 V
1 1 361.7 µV
0 0 0 V
-1 FFFF
-20736 AF00 -7.5 V
-27648 9400 -10 V
-27649 93FF
-32512 8100 -11.759 V
-32513 80FF
-32768 8000 -11.851 V
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
Data word
2 15 2 14 2 13 2 12 2 11
0 1 1 1 1
0 1 1 1 1
0 1 1 0 1
0 1 1 0 1
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
1 1 1 0 1
1 0 0 0 0
±5 V ±2.5 V
5.926 V 2.963 V
5.879 V 2.940 V
5 V 2.5 V
3.75 V 1.875 V
180.8 µV 90.4 µV
0 V 0 V
-3.75 V -1.875 V
-5 V -2.5 V
-5.879 V -2.940 V
-5.926 V -2.963 V
5.1 Representation of the values for analog input channels
2 10 2 9 2 8 2 7 2 6 2
1 1 1 1 1 1
1 1 0 1 1 1
1 0 0 0 0 0
1 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
1 1 1 1 1 1
1 0 1 0 0 0
0 0 0 0 0 0
±1 V
1.185 V Overflow
1.176 V Overshoot range
1 V
0.75 V
36.17 µV
Rated range
0 V
-0.75 V
-1 V
Undershoot range
-1.176 V
Underflow
-1.185 V
Principles of analog modules
5 2 4 2 3 2 2 2 1 2 0
1 1 1 1 1
1 1 1 1 1
0 0 0 0 1
0 0 0 0 0
0 0 0 0 1
0 0 0 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
Range
Overflow
Overshoot
range
range
Rated range
Undershoot
range
range
Underflow
263