Presentation, index 0x80n0:02
The measured value output is set in factory to two's complement representation (signed integer).
index 0x80n0:02 offers the possibility to change the method of representation of the measured value.
Signed integer representation
The negative output value is represented in two’s complement (negated + 1).
Measuring range 4…20 mA (NAMUR)
|
4…20 mA |
Decimal |
Hexadecimal |
|---|---|---|
|
- |
32767 |
0x7FFF |
|
21 mA |
32425 |
0x7EAC |
|
20.5 mA |
31472 |
0x7A20 |
|
20 mA |
30518 |
0x7736 |
|
4 mA |
0 |
0x0000 |
|
3.8 mA |
-381 |
0xFE83 |
|
3.6 mA |
-763 |
0xFD05 |
|
- |
-32768 |
0x8000 |
Maximum representation range for 16 bit = -763dec .. +32425dec
Fig.96: Measurement range representation 4…20 mA (NAMUR)Measuring range 0…20 mA
|
0…20 mA |
Decimal |
Hexadecimal |
|---|---|---|
|
0 mA |
0 |
0 |
|
20 mA |
30518 |
0x7736 |
|
21.474 mA |
32767 |
0x7FFF |
|
0…20 mA |
Decimal |
Hexadecimal |
|---|---|---|
|
0 mA |
0 |
0 |
|
20 mA |
32767 |
0x7FFF |
Maximum representation range for 16 bit = 0dec .. +32767dec
Fig.97: Representation of the measuring ranges 0…20 mA (Extended/ Legacy Range)Measuring range 4…20 mA
|
4…20 mA |
Decimal |
Hexadecimal |
|---|---|---|
|
0 mA |
-7629 |
0xE233 |
|
3.8 mA |
-381 |
0xFE83 |
|
4 mA |
0 |
0 |
|
20 mA |
30518 |
0x7736 |
|
21.474 mA |
32767 |
0x7FFF |
|
4…20 mA |
Decimal |
Hexadecimal |
|---|---|---|
|
0 mA |
0 |
0 |
|
20 mA |
32767 |
0x7FFF |
Maximum representation range for 16 bit = -7629dec .. +32767dec
Fig.98: Representation of the measuring ranges 4…20 mA (Extended/ Legacy Range)