Siemens M7-400, S7-400 Analog Value Representation in Voltage Measuring Ranges

Analog Modules
5-11
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Table 5-8 Life-Zero Input Ranges
Units Measured
Value
Data Word Range
V
a
l
ue
in % 215 214 213 212 211 210 29282726252423222120
w32767 w118.515 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Over-
flow
32511 117.589 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 Over-
range
27649 w100.004 0 110110000000001range
27648 100.000 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 Rated
1 0.003617 0 000000000000001range
0 0.000 0 000000000000000
–1 –0.003617 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Under-
range
–4864 –17.593 1 110110100000000range
In the event of wire break, the module reports 7FFFH
Analog Value Representation in Voltage Measuring Ranges
Table 5-9 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
118.515% 32767 7FFF 11.851 V 5.926 V 2.963 V 1.185 V Overflow
117.593% 32512 7F00
117.589% 32511 7EFF 11.759 V 5.879 V 2.940 V 1.176 V Overrange
27649 6C01
100.000% 27648 6C00 10 V 5 V 2.5 V 1 V
75.000% 20736 5100 7.5 V 3.75 V 1.875 V 0.75 V
0.003617% 1 1 361.7 V180.8  V 90.4 V36.17 V
0% 0 0 0 V 0 V 0 V 0 V Rated range
–1 FFFF
– 75.00% – 20736 AF00 – 7.5 V – 3.75 V – 1.875 V – 0.75 V
– 100.000% –27648 9400 – 10 V – 5 V – 2.5 V – 1 V
–27649 93FF Underrange
–117.593% –32512 8100 – 11.759 V – 5.879 V – 2.940 V – 1.176 V
– 117.596% – 32513 80FF Underflow
– 118.519% –32768 8000 – 11.851 V – 5.926 V – 2.963 V – 1.185 V