USB2810A data acquisition card hardware user manual, mainly introduces the product function overview, component layout, signal input and output connectors, jumper settings, various signal connection methods, data format, emission sequence and conversion relationship, timer/counter 8254 use method, product application precautions, calibration, warranty.
The Altai USB2810A is a USB‑bus data acquisition card designed for laboratory, quality‑control and industrial monitoring applications. It provides high‑speed, high‑precision analog and digital I/O, as well as counter functions, and can be installed directly into a computer’s USB port.
The manual describes the card’s functional blocks, hardware layout, connector pin‑outs, signal wiring methods, calibration procedures, and warranty information, offering step‑by‑step guidance for setup and operation. This manual is written in Chinese.
| Analog input range | +10 V, +5 V, 0‑20 V, 0‑10 V |
|---|---|
| Conversion accuracy | 12 bit |
| Maximum sampling rate | 100 kHz (10 µs per point) |
| Physical analog channels | 32 single‑ended, 16 differential |
| Analog input impedance | >1 GΩ |
| Amplifier type | INA128 |
| Non‑linearity error | +1 LSB (max) |
| System measurement accuracy | 0.19 % |
| Counter driver | M82C54 |
| Card dimensions | 129 mm × 99 mm × 16 mm |
The card offers 32 single‑ended analog input channels or 16 differential channels.
It can sample up to 100 kHz, which corresponds to 10 µs per point.
Digital inputs are TTL‑compatible with a high‑level minimum of 2 V and a low‑level maximum of 0.8 V.