| Strain gauge factor |
2 to 256 mV/V, configurable using software |
| Connection |
4-wire connections |
| Input type |
Differential, used to evaluate a full-bridge strain gauge |
| Digital converter resolution |
24-bit |
| Conversion time |
200 µs |
| Data output rate |
5000 samples per second and per channel (fDATA) |
| Input filter |
|
| Cutoff frequency |
2.5 kHz |
| Order |
3 |
| Slope |
60 dB |
| ADC filter characteristics |
Sigma-delta, see section “Filter” |
| Operating range / Measurement sensor |
85 to 5000 Ω |
| Influence of cable length |
Twisted and shielded conductors, cable length as short as possible, cable routing separate from load circuits, without intermediate terminal to sensor |
| Input protection |
RC protection |
| Common-mode range |
0.6 to 3.8 VDC
Permissible input voltage range (with regard to the electric potential strain gauge GND) on inputs “Input +” and “Input -“ |
| Insulation voltage between input and bus |
500 Veff |
| Conversion procedure |
Sigma-delta |
| Output of digital value |
|
| Broken bridge supply line |
Value approaching 0 |
| Broken sensor line |
Value approaching ±end value (status bit “Open circuit” set in register “Module status”) |
| Valid range of values |
0xFF800001 to 0x007FFFFF (-8,388,607 to 8,388,607) |
| Strain gauge supply |
|
| Voltage |
5.5 VDC / Max. 65 mA per channel |
| Short-circuit and overload-proof |
Yes |
| Quantization |
|
| LSB value |
|
| 2 mV/V |
1.31 nV |
| 4 mV/V |
2.62 nV |
| 8 mV/V |
5.25 nV |
| 16 mV/V |
10.49 nV |
| 32 mV/V |
20.98 nV |
| 64 mV/V |
41.96 nV |
| 128 mV/V |
83.92 nV |
| 256 mV/V |
167.85 nV |
| Max. gain drift |
35 ppm/°C |
| Max. offset drift |
15 ppm/°C |
| Nonlinearity |
<10 ppm |