Function description
Operating Manual PSSu E S 2AO U(-T)
21423-EN-04
18
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Formation of magnitude option
Negative digital values are converted into positive values of equal magnitude.
As the module's resolution is 12 bits plus sign bit, the three least significant bits have no
significance for the analogue value.
Analogue value and typical digital value with a voltage range of 0 ... +10 V, two's
complement or sign and magnitude representation:
Analogue value of
voltage
Decimal digital value
Binary digital value
Hexadecimal digital
value
0 V
0
0000 0000 0000 0000
0000
H
5 V
16 384
0100 0000 0000 0000
4000
H
10 V
32 767
0111 1111 1111 1111
7FFF
H
Analogue value and typical digital value with a voltage range of -10 V ... +10 V, two's
complement:
Analogue value of
voltage
Decimal digital value
Binary digital value
Hexadecimal digital
value
-10 V
-32 768
1000 0000 0000 0001
8001
H
-5 V
-16 383
1100 0000 0000 0001
C001
H
-2.4 mV
-1
1111 1111 1111 1111
FFFF
H
0 V
0
0000 0000 0000 0000
0000
H
10 V
32 767
0111 1111 1111 1111
7FFF
H
Analogue value and typical digital value with a voltage range of -10 V ... +10 V, sign
and magnitude representation:
Analogue value of
voltage
Decimal digital value
Binary digital value
Hexadecimal digital
value
-10 V
-32 768
1111 1111 1111 1111
FFFF
H
-5 V
-16 383
1011 1111 1111 1111
BFFF
H
-2.4 mV
-1
1000 0000 0000 0001
8001
H
0 V
0
0000 0000 0000 0000
0000
H
10 V
32 767
0111 1111 1111 1111
7FFF
H
