| Model no | SM 1234 AI 4x13bit AQ 2x14bit | |
| Article No | H7 234-4HE32-0XB0 | |
| Description | Analog value I/O module AI4 + AQ2 | |
| Conventional norm | Dimensions WxHxD（mm） | 45x100x75mm |
| Power dissipatio | 2W | |
| Available current（SM bus） | 80mA | |
| Available current（Sensor power 24V） | 60mA(non-loaded） |
| 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、0 － 20 mA 或 4 － 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 － -4864 | |
| Upflow/underflow(Data word） | Supply voltage: 32,767 － 32,512/-32,513 － -32,768 Electric current: 32,767 － 32,512/-4865 － -32,768 | |
| Precision | 12+symbol bits | |
| Max Withstand voltage/withstand current | ±60 V/±40 mA | |
| Precision(25℃/0-55℃） | full-scale ±0.1 %/±0.2 % | |
| Analog-to-digital switching time | 625μs（400 Hz suppression） | |
| Operating signal range | The signal plus common-mode voltage must be less than +12V and greater than -12V | |
| Common-mode rejection | 40 dB，DC － 60 Hz |
| Analog output | Output path | 2 |
| Output type | Voltage or current | |
| Output range | ±10 V、0 － 20 mA or 4 － 20 mA | |
| Current output | 0 － 20 mA or 4 － 20 mA | |
| Voltage output | ±10 V | |
| Data word format | ||
| Supply voltage | -27648-27648 | |
| Electric current | 0-27648 | |
| Resolution | ||
| Voltage mode | 14 bit | |
| Current mode | 13 bit | |
| Max Operating Pressure | ±60 V | |
| Isolate(Field side and Logic side） | 500VAC | |
| Precision(25 ºC/0 － 55 ºC） | full-scale ±0.3%/±0.6% | |
| Settling time | Supply voltage：300μS（R）、750μS（1 uF） Electric current：600μS（1 mH）、2 ms（10 mH） | |
| Load impedance | Supply voltage：≥ 1000 Ω；Electric current：≤ 600 Ω | |
| Output status in STOP mode | Previous value or replacement value (default is 0) | |
| Diagnose | ||
| Upflow/underflow | Support | |
| Voltage mode：Short circuit to ground | Support | |
| Current mode：Disconnection mode | Support |
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