Analog Modules
4-11
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Measured-value resolution
The resolution of the analog values may differ, depending on the analog module
and its parameterization. With resolutions < 15 bits, the bits indicated by “x” are set
to “0”.
Note: This resolution does not apply to temperature values. The converted
temperature values are the result of a conversion in the analog module (see Tables
4-16 to 4-31).
Table 4-7 Possible analog value resolutions
Resolution
Units Analog value
decimal hexadecimal High-Order Byte Low-Order Byte
8 128 80
H
Sign 0 0 0 0 0 0 0 1 x x x x x x x
9 64 40
H
Sign 0 0 0 0 0 0 0 0 1 x x x x x x
10 32 20
H
Sign 0 0 0 0 0 0 0 0 0 1 x x x x x
11 16 10
H
Sign 0 0 0 0 0 0 0 0 0 0 1 x x x x
12 8 8
H
Sign 0 0 0 0 0 0 0 0 0 0 0 1 x x x
13 4 4
H
Sign 0 0 0 0 0 0 0 0 0 0 0 0 1 x x
14 2 2
H
Sign 0 0 0 0 0 0 0 0 0 0 0 0 0 1 x
15 1 1
H
Sign 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
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