Channel & System Configuration

• Host controller for standard 4-slot/8-slot SCXI chassis
• Supports max 352 analog input channels via cascaded SCXI conditioning modules
• Dual wiring modes: single-ended / fully differential analog input
• Built-in 24-channel bidirectional digital I/O for auxiliary logic control

Programmable Input Parameters

• Native input voltage range: ±10 V
• Programmable gain multiples: ×0.5, ×1, ×10, ×100
• Minimum measurable input: ±50 mV (at ×100 gain)
• ADC resolution: 16-bit bipolar resolution

Timing & Trigger Specifications

• Maximum aggregate sampling rate: 200 kS/s across all multiplexed channels
• Trigger modes: analog edge trigger, digital software/hardware trigger
• External clock input via front BNC connector for synchronous sampling
• No onboard analog low-pass filters (filters configured via front-end SCXI modules)

Key Electrical Specifications

• Input impedance: >10 MΩ
• 60Hz CMRR: >105 dB
• Absolute accuracy: 0.024% FSR at 1-year calibration cycle
• Overvoltage protection: ±30 VDC transient input protection
• Power supply: Bus-powered via USB 2.0, no external adapter required
• Built-in temperature sensor for drift compensation and self-calibration

Mechanical & Environmental Specifications

• Front interface: USB 2.0 Type-B port, 3 dedicated BNC connectors
• Back interface: Standard SCXI chassis backplane connector
• Dimension: 172×86×32 mm (standard SCXI module size)
• Operating temperature: 0℃ ~ +55℃, humidity: 10%–80% non-condensing

Software Compatibility

• Drivers: NI-DAQmx (latest compatible version), Traditional NI-DAQ
• Supported software: LabVIEW, LabWindows/CVI, Python DAQmx, C#, C++

Pros & Limitations

• Pros: PCI-free USB connection, wide SCXI module compatibility, built-in triggering and calibration, portable desktop measurement solution, low deployment cost
• Limitations: Not suitable for high-speed dynamic synchronous sampling, limited by USB bandwidth, no isolated input design