Siemens Simatic M7-400 Reference Manual page 225

Table 5-5 Possible Resolutions of the Analog Values
Resolution
in Bits in Bits
Decimal
9
10
11
12
13
14
15
16
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Units
Hexadecimal
128 80
H
64 40
H
32 20
H
16 10
H
8 8
H
4 4
H
2 2
H
1 1
H
Analog Value
High-Order Byte Low-Order Byte
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
Analog Modules
1 x x x x x x x
0 1 x x x x x x
0 0 1 x x x x x
0 0 0 1 x x x x
0 0 0 0 1 x x x
0 0 0 0 0 1 x x
0 0 0 0 0 0 1 x
0 0 0 0 0 0 0 1
5-9