Representation of analog values
B.2 Representation of analog values in the current measuring ranges
Analog Input Module AI 4xI 2-/4-wire ST (6ES7134-6GD01-0BA1)
39
Equipment Manual, 06/2020, A5E03551866-AF
B.2
Representation of analog values in the current measuring ranges
The following tables list the decimal and hexadecimal values (codes) of the possible current
measuring ranges.
Table B- 4
Current measuring range ±20 mA
Values
Current measuring range
Range
Dec.
Hex.
±20 mA
32767
7FFF
>23.52 mA
Overflow
32511
7EFF
23.52 mA
Overrange
27649
6C01
27648
6C00
20 mA
Nominal range
20736
5100
15 mA
1
1
723.4 nA
0
0
0 mA
-1
FFFF
-20736
AF00
-15 mA
-27648
9400
-20 mA
-27649
93FF
Underrange
-32512
8100
-23.52 mA
-32768
8000
<-23.52 mA
Underflow
Table B- 5
Current measuring ranges 0 to 20 mA and 4 to 20 mA
Values
Current measuring range
Range
Dec.
Hex.
0 to 20 mA *
4 to 20 mA
32767
7FFF
>23.52 mA
>22.81 mA
Overflow
32511
7EFF
23.52 mA
22.81 mA
Overrange
27649
6C01
27648
6C00
20 mA
20 mA
Nominal range
20736
5100
15 mA
16 mA
1
1
723.4 nA
4 mA + 578.7 nA
0
0
0 mA
4 mA
-1
FFFF
Underrange
-4864
ED00
-3.52 mA
1.185 mA
-32768
8000
<-3.52 mA
<1.185 mA
Underflow
* For measuring type "2-wire transducer", negative values are not possible for the range "0 to 20 mA".
Therefore, no underrange or underflow exists here.