NI SCXI (Signal Conditioning eXtensions for Instrumentation) modules use a proprietary backplane bus connector for amplification, filtering, and isolation of sensors before digitization by a DAQ device.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | CH+ | Signal channel positive | ADC |
| 2 | CH- | Signal channel negative | ADC |
| 3 | EX+ | Excitation positive | PWR |
| 4 | EX- | Excitation negative | PWR |
| 5 | GND | Ground | GND |
NI SCXI (Signal Conditioning eXtensions for Instrumentation) modules use a proprietary backplane bus connector for amplification, filtering, and isolation of sensors before digitization by a DAQ device.