8.2 Input Ranges and Resolution
The table below lists the full-scale input range for each valid analog input configuration. The parameters Polarity, Range, and Gain are combined to create the value “Code”, which is the value that you must write to the analog configuration register at Base + 11 to get the input range shown. A total of 9 different input ranges are possible. Note that the range programming codes 4, 5, 6, and 7 are invalid and that range codes 9 – 11 are equivalent to range codes 0 – 2.
Diamond-MM-32DX-AT Analog Input Ranges
Polarity | Range | Gain | Code | Full Scale Range | Resolution (1 LSB) |
Bipolar | 5V | 1 | 0 | +/- 5V | 153 μV |
Bipolar | 5V | 2 | 1 | +/-2.5V | 76 μV |
Bipolar | 5V | 4 | 2 | +/-1.25V | 38 μv |
Bipolar | 5V | 8 | 3 | +/- 0.625V | 19μV |
Unipolar | 5V | 1 | 4 | Invalid setting | |
Unipolar | 5V | 2 | 5 | Invalid setting | |
Unipolar | 5V | 4 | 6 | Invalid setting | |
Unipolar | 5V | 8 | 7 | Invalid setting | |
Bipolar | 10V | 1 | 8 | +/-10V | 305μV |
Bipolar | 10V | 2 | 9 | +/-5V | 153μV |
Bipolar | 10V | 4 | 10 | +/-2.5V | 76μV |
Bipolar | 10V | 8 | 11 | +/-1.25V | 38μV |
Unipolar | 10V | 1 | 12 | 0-10V | 153μV |
Unipolar | 10V | 2 | 13 | 0-5V | 76μV |
Unipolar | 10V | 4 | 14 | 0-2.5V | 38μV |
Unipolar | 10V | 8 | 15 | 0-1.25V | 19μV |
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