
Product Description
Product Details
Manufacturer: BACHMANN
Model/Part Number: AI208/SI
Description: Analog Input/Output Modules
Technical Specifications:
| Parameter | Details |
|---|---|
| Current Inputs | |
| Quantity | 8 |
| Input Current Range | 0 to 20 mA, 4 to 20 mA, -20 to +20 mA |
| Measuring Range | ±24.6 mA |
| Input Impedance | Normally 200 Ω |
| Digital Resolution | 13-bit (2.5 kHz filter) to 16-bit (10 Hz filter) |
| Value of the LSB | 751,202 nA |
| Cross-Talk Attenuation | > 80 dB (between channels) |
| Signal Suppression (50/60 Hz) | 75 dB / 80 dB at 2.5 Hz filter |
| Sample Frequency | Maximum 10 kHz (filter 2.5 kHz) |
| Filtering Slope | From cutoff frequency (3 dB) with 60 dB/decade |
| Input Filter (Adjustable) | 2.5 kHz, 1.2 kHz, 640 Hz, 320 Hz, 160 Hz, 80 Hz, 40 Hz, 20 Hz, 10 Hz, 5 Hz, 2.5 Hz |
| Isolation | |
| Galvanic Isolation (Channels) | 500 V |
| Galvanic Isolation (System) | 500 V |
Ambient Conditions:
- Standard: ColdClimate (❉)
- Operating Temperature: -30 to +60 °C
-
Relative Humidity (Operation):
- 5% to 95% (without condensation)
- 5% to 95% (with condensation)
- Storage Temperature: -40 to +85 °C
- Relative Humidity (Storage): 5% to 95% (with condensation)
Execution Variants:
-
AI208/SI:
- Analog input module; 8x IN; ±20 mA / 13 to 16-bit; ±0.1% accuracy; sample time configurable up to 100 µs; threshold; single isolated.
-
AI208/SI❉:
- Like AI208/SI but designed for ColdClimate (❉)