Siemens S5-155U System Manual page 467

The 466 Analog Input Module
Measuring range 0-20 mA,
0-5 V and 0-10 V; unipolar
Units Measured Measured
Value in V Value in V
(0 - 5 V) (0 - 10 V)
4095 4.9988 9.9976
4094 4.9976 9.9951
: :
0001 0.0012 0.0024
0000 0.0000 0.0000
Two's complement;
measuring range ± 5 V,
± 20 mA and ± 10 V; bipolar
Units Measured Measured
Value in V Value in V
(± 5V) (± 10V)
2047 4.9976 9.9951
2046 4.9951 9.9902
: :
0001 0.0024 0.0049
0000 0.0000 0.0000
-0.0049
-0001 -0.0024
: :
-2047 -4.9976 -9.9951
-2048 -5.0000 -10.000
9 - 96
Shown in the following tables is the representation of the measured
value as a function of the selected measuring range.
Measured
Value in mA 7 6 5
12 11
(0 - 20 mA) 2 2 2
19.9951 0 1 1
19.9902 0 1 1
: :
0.00488 0 0 0
0.00000 0 0 0
* Same representation for the data formats:
two's complement, value and sign, binary representation.
A = Active bit
E = Error bit
O = Overflow bit
Measured
Value in mA 7 6 5
12 11
2 2 2
(± 20 mA)
19.9902 0 0 1
19.9804 0 0 1
: :
0.00976 0 0 0
0.00000 0 0 0
-0.00976 1 1 1
: :
-19.9902 1 1 0
-20.0000 1 1 0
A = Active bit
E = Error bit
O = Overflow bit
Byte 0 *
4 3 2 1 0 7 6
10 9 8 7 6 5 4 3
2 2 2 2 2 2 2
1 1 1 1 1 1 1
1 1 1 1 1 1 1
:
0 0 0 0 0 0 0
0
0 0 0 0 0 0
Byte 0
4 3 2 1 0 7 6
10 9 8 7 6 5 4 3
2 2 2 2 2 2 2
1 1 1 1 1 1 1
1 1 1 1 1 1 1
:
0 0 0 0 0 0 0
0 0 0 0 0 0 0
1 1 1 1 1 1 1
:
0 0 0 0 0 0 0
0 0 0 0 0 0 0
C79000-B8576-C109-03
Byte 1 *
5 4 3 2 1 0
2 1 0
2 2 2 A E O
1 0 0 1
1 1
1 1 0 0 0 0
:
0 0 1 0 0 0
0 0 0 0 0 1
Byte 1
5 4 3 2 1 0
2 1 0
2 2 2 A E O
1 1 1 0 0 1
1 1 0 0 0 0
:
0 0 1 0 0 0
0 0 0 0 0 0
1 1 1 0 0 0
:
0
0 0 1 0 0
0 0 0 0 0 1
System Manual