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Analog Input/Output Modules
Shown in the following tables is the representation of the measured value as
a function of the selected measuring range.
Measuring Range
0-20 mA, 0-5 V and
0-10 V; Unipolar
Units
Measured
Measured
Value in V
Value in V
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
*
A = Active bit
E = Error bit
O = Overflow bit
Two's
Complement;
Measuring Range
5 V,
20 mA
and
10 V;
Bipolar
Units
Measured
Measured
Value in V
Value in V
Value in V
Value in V
(
5 V)
(
10 V)
2047
4.9976
9.9951
2046
4.9951
9.9902
:
:
:
0001
0.0024
0.0049
0000
0.0000
0.0000
–0001
–0.0024
–0.0049
:
:
:
–2047
–4.9976
–9.9951
–2048
–5.0000
–10.000
A = Active bit
E = Error bit
O = Overflow bit
9-92
Measured
Value in V
Value in V
7
6
5
(0 - 20 mA)
12
11
10
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.
Measured
Value in V
Value in V
7
6
5
(
20 mA)
12
11
10
2
2
2
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
Byte 0 *
5
4
3
2
1
0
7
6
9
8
7
6
5
4
3
2
2
2
2
2
2
2
2
2
2
1
1
1
1
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
0
0
0
0
Byte 0 *
5
4
3
2
1
0
7
6
9
8
7
6
5
4
3
2
2
2
2
2
2
2
2
2
2
1
1
1
1
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
0
0
0
0
1
1
1
1
1
1
1
1
1
:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
C79000-G8576-C199-06
Byte 1 *
4
3
2
1
0
1
0
2
A
E
O
1
0
0
1
0
0
0
0
:
1
0
0
0
0
0
0
1
Byte 1 *
4
3
2
1
0
1
0
2
A
E
O
1
0
0
1
0
0
0
0
:
1
0
0
0
0
0
0
0
1
0
0
0
:
1
0
0
0
0
0
0
1
System Manual
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