| Model no | SM 1231 AI 8x16bit Temperature module | |
| Article No | H7 231-5PF32-0XB0 | |
| Description | Analog value input module AI8 x RTD | |
| Conventional norm | Dimensions WxHxD（mm） | 70x100x75mm |
| Power dissipatio | 1.5W | |
| Available current（SM bus） | 90mA | |
| Available current（Sensor power 24V） | 40mA |
| Analog input | Input path | 8 |
| Input type | RTD and Resistance | |
| Type | Platinum (Pt), copper (Cu), nickel (Ni), LG-Ni or resistance | |
| Resolution | ||
| .Temperature | 0.1 ºC/0.1 ºf | |
| .Resistance | 15 + symbol bits | |
| Max Operating Pressure | ±60 V | |
| Isolate | 500 V AC | |
| Noise suppression | 85 dB，10 Hz/50 Hz/60 Hz/400 Hz | |
| Interchannel isolation | None | |
| Common-mode rejection | >120 dB | |
| Repeatability | ±0.05 % FS | |
| Cold-end error | - | |
| Cable resistance | 20 Ω，2.7 Ω，for 10 Ω RTD | |
| Diagnose：Upflow/underflow | Support | |
| Open circuit | Support |
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