1Pcs Used NI PCI-6731 acquisition card

Analog Output (AO) Channels: 4‑channel synchronous analog output Resolution: 16‑bit DAC Max Update Rate: 1 MS/s (1000 kS/s) per channel, multi‑channel synchronous output Output Range: ±10 V (standard) Output Drive: Direct drive, compatible with oscilloscopes, power amplifiers and excitation sources Key Features High‑speed waveform generator: capable of outputting sine, square, triangular and user‑defined arbitrary waveforms 4‑channel synchronous output: ideal for multi‑axis excitation and multi‑channel synchronous control signals Hardware FIFO buffer supports continuous streaming output, suitable for long‑term dynamic excitation No analog input; pure signal output card, cannot acquire voltage or vibration signals