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Measuring Ranges for Voltage and Current: 1 to 5 V, 4 to 20 mA
Table 5
SIMATIC S5 Format: Measuring Ranges 1 to 5 V, 4 to 20 mA
Measuring Range
(Decim
(Decim
(D
1 to 5 V
4 to
20 mA
> 5.7031
> 22.8125 2921
5.7031
22.8125
2920
5.0020
20.0078
2561
5.0000
20.0000
2560
1.0020
4.0078
513
1.0000
4.0000
512
0.9980
3.9922
511
0.2949
1.1797
151
< 0.2949
< 1.1797
150
Special feature of the following modules:
Analog electronic module 2AI U HF, as of 6ES7134-4LB02-0AB0
Analog electronic module 2AI 2/4WIRE HF, as of 6ES7134-4MB02-0AB0
Analog electronic module 4AI 2WIRE ST, 6ES7134-4GD00-0AB0
Note
If there is a measuring range in the underflow, the electronic module will not return
the value 150 (decimal) for the underflow but the value 4095 (decimal).
Product information
A5E00236831-04
Analog Value Representation for Measuring Ranges with SIMATIC S5
Units
i
12
12
11
11
10
10
9
9
8
8
al)
0
1
0
1 1 0 1 1 0 1 0 0 1 0 0 1 Overflow
0
1
0
1 1 0 1 1 0 1 0 0 0 0 0 0 Over-
0
1
0
1 0 0 0 0 0 0 0 0 1 0 0 0
0
1
0
1 0 0 0 0 0 0 0 0 0 0 0 0 Rated range
0
0
0
1 0 0 0 0 0 0 0 0 1 0 0 0
0
0
0
1 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 Underrange
0
0
0
0 0 1 0 0 1 0 1 1 1 0 0 0
0
0
0
0 0 1 0 0 1 0 1 1 0 0 0 1 Underflow
Data Word
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0
X E O
X E O
Range
range
27
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