Channel & Wiring Configuration

• 8-channel fully differential independent analog input
• Per-channel standalone filtering and amplification circuit (no shared circuitry)
• All channels multiplexed to one DAQ analog input channel
• Front 96-pin DIN connector, rear 50-pin SCXI backplane interface

Programmable Gain & Input Range

• Software-selectable gain multiples: ×1, ×2, ×5, ×10, ×20, ×100
• Maximum raw input range: ±5 V differential voltage
• Minimum measurable input: ±50 mV at ×100 gain
• Default input coupling: DC coupling (AC coupling requires SCXI-1304 accessory)

On-board Filter Parameters

• Filter type: 8th-order elliptic low-pass anti-aliasing filter
• Fixed cutoff frequency: 12.5 kHz
• Stopband attenuation: 120 dB for frequencies above 13.5 kHz
• Max channel scan rate: 50 kS/s for multi-channel synchronous scanning

Key Electrical Specifications

• Input impedance: 10 GΩ parallel with 40 pF
• 60Hz CMRR: >108 dB
• Typical measurement accuracy: ±0.01% of reading
• Overvoltage protection: ±30 VDC powered on, ±15 VDC powered off
• Channel crosstalk: <-92 dB at 1 kHz
• Power consumption: 3.1 W

Mechanical & Environmental Specifications

• Dimension: 172×86×32 mm, standard SCXI single-slot size
• Operating temperature: 0℃ ~ +55℃
• Storage temperature: -40℃ ~ +85℃
• Humidity: 10%–90% non-condensing

Software Compatibility

• Drivers: NI-DAQmx, Traditional NI-DAQ
• Supported software: LabVIEW, LabWindows/CVI, Python DAQmx, C#
• Perfect matched terminal block: SCXI-1304 AC/DC coupling terminal block

Pros & Limitations

• Pros: Per-channel independent anti-aliasing filter, ultra-high input impedance, excellent high-frequency noise suppression, low measurement drift for dynamic signals
• Limitations: Fixed filter cutoff frequency, no built-in channel isolation, no internal bridge excitation for strain sensors