Product Overview
National Instruments SCXI-1600 USB Data Acquisition Module - 16-Bit, 200 kS/s SCXI Digitizer for LabVIEW Systems
Condition
Single unit available. Used, sourced from a government research facility and removed from a working system. Visual inspection shows light surface wear on the aluminum housing and top cover consistent with normal lab use - no damage observed. Part number 188407E-01 and serial number E1AA4F are visible on the unit label. Three BNC connectors (CAL, PFI0/AI START TRIG, AI SAMP CLK), USB port, POWER, ACTIVE, and READY LED indicators, and strain relief bracket are all present and intact. Photos show the specific unit you will receive.
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Product Overview
National Instruments SCXI-1600 USB data acquisition and control module. Serves as the USB interface between a host PC and an SCXI chassis, digitizing analog signals from signal conditioning modules housed in the chassis and returning control signals. The front panel label on this unit reads "200 kS/s 16-BIT DIGITIZER FOR USB" - confirming both the sampling rate and resolution at a glance. Connects to a PC via USB 2.0 and communicates with SCXI signal conditioning modules for thermocouples, strain gauges, RTDs, voltage, current, and other sensor types. Requires NI-DAQmx driver software and a 32-bit Windows operating system. Recognized by NI as a legacy product.
Key Features
- 16-bit ADC resolution
- 200 kS/s aggregate sampling rate - confirmed on front panel label
- USB 2.0 connectivity to host PC
- Three BNC connectors: CAL, PFI0/AI START TRIG, and AI SAMP CLK
- POWER, ACTIVE, and READY LED status indicators
- FIFO buffer: 4,096 samples
- Supports up to 352 analog input channels when paired with SCXI signal conditioning modules
- Compatible with SCXI-1000, SCXI-1001, and SCXI-1000DC chassis
- Requires NI-DAQmx driver software (version 7.3 or later)
- Not supported on 64-bit Windows operating systems - requires 32-bit Windows 7 SP1 or earlier, or a VM with USB pass-through
Applications
- R&D lab engineer connecting a laptop to an SCXI chassis for portable multi-channel temperature logging across an environmental test chamber - no PCI slot required in the measurement PC
- Government or university researcher acquiring simultaneous data from thermocouple, strain gauge, and voltage modules through a single USB cable into LabVIEW for experiment automation
- Industrial process engineer retrofitting an existing SCXI chassis with USB connectivity to modernize a legacy monitoring system without replacing the signal conditioning modules already installed
- Test technician performing structural health monitoring - capturing strain and vibration data from multiple SCXI modules simultaneously for structural analysis workflows
Frequently Asked Questions
Which SCXI chassis is this compatible with?
Compatible with SCXI-1000, SCXI-1001, and SCXI-1000DC chassis. Not compatible with PXI/SCXI combination chassis.
What software is required?
NI-DAQmx driver software version 7.3 or later. Works with LabVIEW, LabWindows/CVI, and Measurement Studio. Note that newer NI-DAQmx versions may have compatibility issues - older driver versions (17.5 or earlier) are generally recommended for this module.
Will this work on Windows 10 or Windows 11?
No. The SCXI-1600 is not supported on 64-bit Windows operating systems, including Windows Vista 64-bit, Windows 7 64-bit, and later. A 32-bit Windows 7 SP1 installation or a virtual machine with USB pass-through configured for a 32-bit OS is required.
Is a manual or software included?
Not included. The module ships as shown.
Does this unit require an external power supply?
Yes. The SCXI-1600 requires an external +/-15 VDC power input for its internal relays and isolation amplifiers. Power is typically supplied by the SCXI chassis.
This is the module that turns a rack of SCXI signal conditioning hardware into a USB instrument - a single cable carrying up to 352 channels of carefully conditioned data to whatever machine is running the experiment. Someone built a serious measurement system around it once. The chassis is still out there waiting.
