Analog Modules
4-13
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Analog Value Representation in Voltage Measuring Ranges
Table 4-10 Analog Value Representation in Voltage Measuring Ranges ± 10 V to ± 1 V
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 Overflow
32512 7F00
32511 7EFF 11.759 V 5.879 V 2.940 V 1.176 V
27649 6C01
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 V 180.8 V 90.4 V 36.17 V
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 –0.75 V
–27648 9400 –10 V –5 V –2.5 V –1 V
–27649 93FF
–32512 8100 –11.759 V –5.879 V –2.940 V –1.176 V
–32513 80FF Underflow
–32768 8000 –11.851 V –5.926 V –2.963 V –1.185 V
Table 4-11 Analog Value Representation in Voltage Measuring Ranges ± 500 mV to ± 80 mV
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 Overrange
27649 6C01
27648 6C00 500 mV 250 mV 80 mV
20736 5100 375 mV 187.5 mV 60 mV
1 1 18.08 V 9.04 V 2.89 V
0 0 0 mV 0 mV 0 mV Rated range
–1 FFFF
–20736 AF00 –375 mV –187.5 mV –60 mV
–27648 9400 –500 mV –250 mV –80 mV
–27649 93FF Underrange
–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