Measurement Ranges Of The Analog Inputs For Voltage - Siemens SIMATIC S7 System Manual

553BTechnical specifications
A.3 CPU 1212C
A.3.3.3

Measurement ranges of the analog inputs for voltage

Table A- 36 Analog input representation for voltage
System
Decimal Hexadecimal
32767 7FFF
32512 7F00
32511 7EFF
27649 6C01
27648 6C00
20736 5100
1 1
0 0
-1 FFFF
-20736 AF00
-27648 9400
-27649 93FF
-32512 8100
-32513 80FF
-32768 8000
678
±10 V ±5 V
11.851 V 5.926 V
11.759 V 5.879 V
10 V 5 V
7.5 V 3.75 V
361.7 μV 180.8 μV
0 V 0 V
-7.5 V -3.75 V
-10 V -5 V
-11.759 V -5.879 V
-11.851 V -5.926 V
Voltage Measuring Range
±2.5 V
2.963 V Overflow
2.940 V Overshoot range
2.5 V Rated range
1.875 V
90.4 μV
0 V
-1.875 V
-2.5 V
Undershoot range
-2.940 V
Underflow
-2.963 V
0 to 10 V
11.851 V Overflow
11.759 V Overshoot
range
10 V Rated range
7.5 V
361.7 μV
0 V
Negative
values are not
supported
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05