Description
National Instruments PCIe-6321 NI DAQ Card, X-Series, Multifunction. Part Number: 781044-01 NI. Analog Inputs (AI): NI. Analog Outputs (AO): NI. Software: NI-DAQmx driver, compatible with LabVIEW, LabWindows/CVI, ANSI C/C++ NI. Key Specifications & Features (English). NI PCIe-6321: X Series PCI Express Multifunction I/O Device (16 AI, 24 DIO, 2 AO) (Official English Description) NI The NI PCIe-6321 is a high-performance, X Series multifunction data acquisition (DAQ) device designed for the PCI Express (PCIe) bus. It combines precise analog I/O, flexible digital I/O, and advanced counter/timer functionality, making it ideal for a wide spectrum of test, measurement, and control applications. Full English Description (Official) The PCIe-6321 integrates 16 analog input (AI) channels , 2 analog output (AO) channels , 24 digital I/O (DIO) channels , and 4 32-bit counter/timers on a single, compact PCIe board. Powered by the NI-STC3 timing and synchronization controller , it features independent analog and digital timing engines, enabling highly precise, retriggerable measurement and control tasks NI . Leveraging the high-throughput PCIe bus and multicore-optimized NI-DAQmx driver software, the device ensures efficient data transfer and reliable performance. It is well-suited for applications ranging from basic data logging to complex test automation and closed-loop control NI . Key Specifications & Features (English) Part Number: 781044-01 NI Bus Interface: PCI Express (PCIe) x1 Analog Inputs (AI): NI Channels: 16 single-ended (SE) or 8 differential (DIFF) Resolution: 16-bit Max Single-Channel Sampling Rate: 250 kS/s Input Ranges: ±10 V, ±5 V, ±1 V, ±0.2 V Overvoltage Protection: ±25 V (powered on) NI Analog Outputs (AO): NI Channels: 2 Resolution: 16-bit Max Update Rate: 900 kS/s Output Range: ±10 V Digital I/O (DIO): Channels: 24 bidirectional TTL/CMOS (5 V) Timing: 8 hardware-timed channels up to 1 MHz Counters/Timers: NI Quantity: 4 × 32-bit Functions: PWM, quadrature encoder measurement, frequency/pulse generation, event counting NI Timing & Sync: NI-STC3 with 10 ns resolution Software: NI-DAQmx driver, compatible with LabVIEW, LabWindows/CVI, ANSI C/C++ NI Applications: Data acquisition, sensor measurement, precision control, industrial automation, test systems NI On May 14, 2026 at 18:45:37 PDT, seller added the following information: