| Customization: | Available |
|---|---|
| Task: | Program |
| Structure: | Combination |
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| Model | SM 1231 AI 4x13 bits |
| Order number | UN 231-4HD32-0XB0 |
| General | |
| Dimension W x H x D ( mm ) | 45×100×75 |
| Weight | 180 g |
| Power consumption | 2.2 W |
| Current consumption (SM bus) | 80 mA |
| Current consumption (24 VDC) | 45 mA |
| Analog input | |
| Number of input channels | 4 |
| Type | Voltage or current (differential): can be selected as a set of 2 |
| Range | ±10 V,± 5 V,± 2.5 V, 0 - 20 mA or 4 - 20 mA |
| Full-scale range (data word) | -27648 - 27648,Voltage;0-27648,current |
| Overshoot/undershoot range (data word) |
Voltage:32,511 - 27,649/-27,649 - -32,512 Current:32,511 - 27,649/0 - -4,864 |
| Overflow/underflow range (data word) |
Voltage:32,767 - 32,512/-32,513 - -32,768 Current0 - 20 mA:32,767 - 32,512/-4,865 - -32,768 Current4 - 20 mA:32,767 - 32,512/value less than -4,864 indicates an open circuit |
| Accuracy | 12 bits + sign bit |
| Maximum voltage/current | 35 V/±40 mA |
| Smooth | None, weak, medium or strong |
| Noise suppression | 400,60,50 or 10 Hz |
| Isolation Field side and logic side Logic side with 24 V DC Field side with 24 V DC Passages and passages |
No |
| Impedance | ≥ 9 MΩ(Voltage)/ ≥ 270 Ω,< 290 Ω(current) |
| Accuracy( 25ºC/0 -55 ºC) | ±0.1 %/±0.2 % of full scale |
| Common mode rejection | 40 dB,DC - 60 Hz |
| Working signal rang | Signal plus common mode voltage must be less than +12 V and greater than -12 V |
| Cable length (meter) | 100 meters, shielded twisted pair |
| Diagnosis | |
| Overflow/Underflow | √ |
| Break circuit (Current) | 4 to 20 mA range only (if input below -4,864; 1.185 mA) |
| Short circuit to ground (voltage) | not applicable |
| 24V DC low voltage | √ |
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