Siemens SIMATIC Manual page 264

Principles of analog modules
5.1 Representation of the values for analog input channels
Table 5- 6 Representation of analog values in the ±80 mV to ±500 mV voltage measuring ranges
System Voltage measuring range
dec hex ±500 mV
32767 7FFF 592.6 mV
32512 7F00
32511 7EFF 587.9 mV
27649 6C01
27648 6C00 500 mV
20736 5100 375 mV
1 1 18.08 µV
0 0 0 mV
-1 FFFF
-20736 AF00 -375 mV
-27648 9400 -500 mV
-27649 93FF
-32512 8100 -587.9 mV
-32513 80FF
-32768 8000 -592.6 mV
Table 5- 7 Representation of analog values in the 1 V to 5 V and 0 V to 10 V voltage measuring ranges
System Voltage measuring range
dec hex 1 V to 5 V
32767 7FFF 5.741 V
32512 7F00
32511 7EFF 5.704 V
27649 6C01
27648 6C00 5 V
20736 5100 4 V
1 1 1 V + 144.7 µV
0 0 1 V
-1 FFFF
-4864 ED00 0.296 V
-4865 ECFF
-32768 8000
264
±250 mV ±80 mV
296.3 mV 94.8 mV
294.0 mV 94.1 mV
250 mV 80 mV
187.5 mV 60 mV
9.04 µV 2.89 µV
0 mV 0 mV
-187.5 mV -60 mV
-250 mV -80 mV
-294.0 mV -94.1 mV
-296.3 mV -94.8 mV
0 V to 10 V
11.852 V
11.759 V
10 V
7.5 V
0 V + 361.7 µV
0 V
Negative values are not sup-
ported
Overflow
Overshoot range
Rated range
Undershoot range
Underflow
Overflow
Overshoot range
Rated range
Undershoot range
Underflow
Manual, 06/2017, A5E00105505-AJ
S7-300 Module data