Siemens Simatic S7-300

Representation of the analog values of analog modules
5.1 Representation of the analog values of analog input channels
S7-300 Automation System Module data
5-4 Manual, 08/2006, A5E00105505-04
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 ±5 V ±2.5 V ±1 V
32767 7FFF 11.851 V 5.926 V 2.963 V 1.185 V
32512 7F00
Overflow
32511 7EFF 11.759 V 5.879 V 2.940 V 1.176 V
27649 6C01
Overshoot range
27648 6C00 10 V 5 V 2.5 V 1 V
20736 5100 7.5 V 3.75 V 1.875 V 0.75 V
1 1 361.7 µV 180.8 µV 90.4 µV 36.17 µV
0 0 0 V 0 V 0 V 0 V
-1 FFFF
-20736 AF00 -7.5 V -3.75 V -1.875 V -0.75 V
-27648 9400 -10 V -5 V -2.5 V -1 V
Nominal range
-27649 93FF
-32512 8100 -11.759 V -5.879 V -2.940 V -1.176 V
Undershoot range
-32513 80FF
-32768 8000 -11.851 V -5.926 V -2.963 V -1.185 V
Underflow
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
32512 7F00
Overflow
32511 7EFF 587.9 mV 294.0 mV 94.1 mV
27649 6C01
Overshoot range
27648 6C00 500 mV 250 mV 80 mV
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
Nominal range
-27649 93FF
-32512 8100 -587.9 mV -294.0 mV -94.1 mV
Undershoot range
-32513 80FF
-32768 8000 -592.6 mV -296.3 mV -94.8 mV
Underflow