This manual provides detailed instructions for installing and operating the USB2812 data acquisition card. It covers hardware setup, software installation, signal connections for analog and digital I/O, timing/counting functions, and calibration procedures. The card supports USB connectivity and is designed for applications such as signal acquisition, process control, and industrial monitoring.
The card includes 16 analog input channels (single/differential), 4 analog output channels, 16 digital input/output channels, and 3 32-bit counters. It features AD7321 and AD5725 converters with specified voltage ranges and precision. The manual also explains physical ID configuration for multi-card systems and provides technical specifications including temperature ranges and clock frequency. This manual is written in Chinese.
| Analog Input Range | +10V, +5V (default), +2.5V, 0–10V |
|---|---|
| Analog Input Resolution | 13 bits (Bib, 13th bit is sign bit) |
| Analog Output Range | 0–5V, 0–10V, ±5V (default), ±10V |
| Analog Output Resolution | 12 bits |
| Digital Input Channels | 16 channels |
| Digital Output Channels | 16 channels |
| Counter Channels | 3 independent counters |
| Clock Frequency | 40MHz |
| Operating Temperature Range | 0°C to +50°C |
| Storage Temperature Range | −20°C to +70°C |
The analog input range is +10V, +5V (default), +2.5V, and 0–10V.
The card has 16 digital input channels and 16 digital output channels.
The operating temperature range is 0°C to +50°C.
The physical ID is configured using a 4-bit DIP switch (ID3 to ID0), where each position is binary (ON=1, OFF=0).