Representation
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).
Maximum representation range with 16-bit = -32768 .. +32767dec
Input signal | Value | ||||
|---|---|---|---|---|---|
+/- 10 V | 0...20 mA | 4...20 mA | 0...10 V | decimal | hexadecimal |
10 V | 20 mA | 20 mA | 10 V | 32767 | 0x7FFF |
5 V | 10 mA | 12 mA | 5 V | 16383 | 0x3FFF |
0 V | 0 mA | 4 mA | 0 V | 0 | 0x0000 |
-5 V | - | - | - | -16383 | 0xC001 |
-10 V | - | - | - | -32767 | 0x8000 |
Overview of further representations
- Unsigned integer representation
The output value is represented with 15-bit resolution without sign, therefore polarity detection is no longer possible.
Maximum representation range with 16-bit = 0 .. +32767dec
- Absolute value with MSB as sign - representation
The output value is displayed in magnitude-sign format: MSB=1 (highest bit) in the case of negative values.
Maximum representation range with 16-bit = -32768 .. +32767dec
Input values (+/- 10 V) | Representation (values dec. / values hex.) | |
|---|---|---|
unsigned integer | Absolute value with MSB as sign | |
10 | 32767 / 0x7FFF | 32767 / 0x7FFF |
5 V | 16383 / 0x3FFF | 16383 / 0x3FFF |
0 V | 0 / 0x0000 | 0 / 0x0000 |
-5 | 16384 / 0x4000 | [-16384] / 0xC000 |
-10 | 32767 / 0x7FFF | [-32767] / 0xFFFF |
 | Presentation types The presentation types Unsigned integer and Absolute value with MSB as sign have no function for unipolar modules. There is no change in the presentation in the positive range. |