| Model no | EM231 AI8 × 12 AIW address | |
| Article No | H7 231-0HF22-0XA0 | |
| Description | 8-channel analog input with a resolution of 12 bits; 6-channel voltage input; 2-channel support for current/voltage input | |
| Conventional norm | Dimensions WxHxD（mm） | 71.2×80×62 |
| Power dissipatio | 1W | |
| Available current（SM bus） | 50mA | |
| Available current（Sensor power 24V） | 60mA |
| Analog input | Input path | 8 |
| Input type | Voltage or current |
| Input range | current | 0~20mA |
| Voltage (unipolarity) | 0~5V,0~10V | |
| Voltage (bipolar) | ±2.5V,±5V |
Rate capacity | Unipolarity | 0~+32,000 |
| Bipolar | -32000~+32000 | |
Maximum input voltag | 30VDC | |
Maximum input current | 32mA | |
Resolution | Unipolar 12bit/bipolar 11+bit | |
Isolation(Field side and Logic side) | 500VAC,1min | |
precisio | Voltage: ± 0.3%/Current: ± 0.4% | |
Analog-to-digital switching time | ＜400uS | |
Common-mode rejection | 40dB,DC-60HZ | |
| Common mode voltage | Signal voltage+common mode voltage ≤ 12V | |
Conductor length | 300m | |
Address interval | AIW |
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