The National Instruments SCXI-1120D is an eight-channel isolation amplifier for SCXI signal-conditioning systems. It provides selectable gain and per-channel lowpass filtering.
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The SCXI-1120D conditions thermocouple, millivolt, voltage, and current signals. In multiplexed operation, its channels feed a single input channel of the controlling DAQ device.
Gain and filter settings use hardware jumpers. Use the SCXI-1120D instructions rather than the SCXI-1120 settings when configuring the module.
Only supported values belong in the table and schema.
| Analog input channels | 8 channels |
|---|---|
| Nominal input voltage range | ±5 VDC |
| Working isolation | 250 Vrms |
| Lowpass filter settings | 4.5 or 22.5 kHz |
| Factory filter setting | 4.5 kHz |
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Manufacturer
Signal-conditioning platform
Isolated analog input module
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No. The SCXI-1120D provides 4.5 kHz and 22.5 kHz settings; the SCXI-1120 provides 4 Hz and 10 kHz settings. Follow the model-specific jumper instructions.
No. It is an SCXI signal-conditioning module used within a chassis-based acquisition system.