The USB2850 data acquisition card is a hardware device developed by Beijing Altai Technology Development Co., Ltd. The device has multiple functions, including AD analog input, DA analog output, DI digital input, DO digital output, and Ethernet connection. It adopts advanced digital signal processing technology and is suitable for real-time signal processing, digital image processing, and other fields. The data acquisition card is based on PCI bus and USB bus, and it has convenient, stable performance, and high cost-effectiveness.
The USB2850 is a USB‑based data acquisition card designed for laboratory, quality‑inspection and industrial monitoring applications. It supports high‑speed, high‑precision analog and digital I/O, Ethernet connectivity and multi‑card synchronization.
The document provides a functional overview, detailed component layout, wiring diagrams, data format definitions, usage instructions for AD/DA channels, digital I/O, Ethernet, calibration steps, and warranty information. This manual is written in Chinese.
| AD conversion accuracy | 16‑bit |
|---|---|
| Maximum sampling rate | 500 kHz |
| Physical channels (single‑ended / differential) | 64 / 32 |
| Analog input impedance | >1 GΩ |
| Non‑linearity error (AD) | +3 LSB (max) |
| System measurement accuracy | 0.01 % |
| Operating temperature range | -40 °C to +85 °C |
| DA resolution | 12‑bit |
| DA output channels | 8 |
| Digital input channels (DI) | 16 |
| Digital output channels (DO) | 16 |
| Ethernet interface speed | 10 M/100 M auto‑negotiation |
The card provides up to 64 single‑ended channels or 32 differential channels.
The maximum system throughput is 500 kHz.