Siemens SIMATIC - Page 264

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