Siemens Simatic M7-400 Manual do Utilizador Página 226

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Analog Modules
5-10
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Binary Representation of the Input Ranges
The input ranges shown in Tables 5-6 to 5-8 are defined in two’s complement
representation:
Table 5-6 Bipolar Input Ranges
Units
Measured
Value
Data Word
Range
V
a
l
ue
in %
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
32767 u118.515 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
27649 uw100.00
4
0 110110000000001
range
27648 100.000 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0
1 0.003617 0 000000000000001
0 0.000 0 000000000000000
Rated
–1 – 0.003617 1 111111111111111
range
–27648 –100.000 1 001010000000000
–27649 v– 100.004 1 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1
Under
–32512 –117.593 1 000000100000000
range
–32768 v– 117.596 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Under-
flow
Table 5-7 Unipolar Input Ranges
Units
Measured
Value
Data Word
Range
V
a
l
ue
in %
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
32767 w118.515 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Overflow
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 110110000000001
range
27648 100.000 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0
1 0.003617 0 000000000000001Rated
range
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 110110100000000
range
–32768 v– 17.596 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Under-
flow
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