Siemens SIMATIC S7-1200, System Manual

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553BTechnical specifications
A.6 Analog signal modules (SMs)
S7-1200 Programmable controller
708
System Manual, 11/2011, A5E02486680-05
A.6.6 Measurement ranges of the analog inputs for voltage
Table A- 90 Analog input representation for voltage
System Voltage Measuring Range
Decimal Hexadecimal ±10 V ±5 V ±2.5 V 0 to 10 V
32767 7FFF 11.851 V 5.926 V 2.963 V 11.851 V
32512 7F00
Overflow Overflow
32511 7EFF 11.759 V 5.879 V 2.940 V 11.759 V
27649 6C01
Overshoot range Overshoot
range
27648 6C00 10 V 5 V 2.5 V 10 V
20736 5100 7.5 V 3.75 V 1.875 V 7.5 V
1 1 361.7 μV 180.8 μV 90.4 μV 361.7 μV
0 0 0 V 0 V 0 V 0 V
Rated range
-1 FFFF
-20736 AF00 -7.5 V -3.75 V -1.875 V
-27648 9400 -10 V -5 V -2.5 V
Rated range
-27649 93FF
-32512 8100 -11.759 V -5.879 V -2.940 V
Undershoot range
-32513 80FF
-32768 8000 -11.851 V -5.926 V -2.963 V
Underflow
Negative
values are not
supported
A.6.7 Output (AQ) measurement ranges for voltage and current (SB and SM)
Table A- 91 Analog output representation for current
System Current Output Range
Decimal Hexadecimal 0 mA to 20 mA
32767 7FFF See note 1
32512 7F00 See note 1
Overflow
32511 7EFF 23.52 mA
27649 6C01
Overshoot range
27648 6C00 20 mA
20736 5100 15 mA
1 1 723.4 nA
0 0 0 mA
Rated range
1
In an overflow or underflow condition, analog outputs will behave according to the device configuration properties set for
the analog signal module. In the "Reaction to CPU STOP" parameter, select either: Use substitute value or Keep last
value.