| Model no | SM 1231 AI 4x13bit | |
| Article No | H7 231-4HD32-0XB0 | |
| Description | Analog value input module AI4 x 13 bit，support 0-20mA/4-20mA/0-10V signal type | |
| Conventional norm | Dimensions WxHxD（mm） | 45x100x75mm |
| Power dissipatio | 2.2W | |
| Available current（SM bus ） | 80mA | |
| Available current（Sensor power 24V） | 45mA |
| Analog input | Input path | 4 |
| Input type | Voltage or current (differential) : 2 can be selected as a group | |
| Input range | ±10 V、± 5 V、± 2.5 V or 0 － 20 mA | |
| Full scale range(Data word） | -27648-27648 | |
| Overshoot/undershoot range(Data word） | Supply voltage: 32,511 － 27,649/-27,649 － -32,512 Electric current: 32,511 － 27,649/0 － -4,864 | |
| Upflow/underflow(Data word） | Supply voltage：32,767 － 32,512/-32,513 － -32,768 Electric current：32,767 － 32,512/-4,865 － -32,768 | |
| Precision | 12+symbol bits | |
| Max Withstand voltage/withstand current | ±60V/±40mA | |
| Level & smooth | None, weak, moderate or strong | |
| Noise suppression | 400、60、50 or 10Hz | |
| Isolate (Field side and Logic side） | None | |
| Precision(25℃/0-55℃） | full-scale ± 0.1%/±0.2% | |
| Operating signal range | The signal plus common-mode voltage must be less than +12V and greater than -12V | |
| Diagnose：Upflow/underflow | Support | |
| Open circuit(Current-only mode） | Inapplicability |
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