User manual for the Yav Smart V 2AD data acquisition card covering features, connections, and troubleshooting.
The Smart V 2AD is a multi‑function data acquisition card with two analog and two digital input channels, RS485 communication, and optional temperature, humidity, PWM, encoder and compass functions. It operates on a 16‑24 V DC supply and supports Windows XP through Windows 10 with Yav’s software platforms.
The manual provides hardware specifications, wiring diagrams, software setup instructions, performance tests, safety guidelines, and detailed troubleshooting steps to help users install, configure, and maintain the device safely and effectively. This manual is written in Chinese.
| Analog input channels | 2 |
|---|---|
| Resolution | 16 bit (65535) |
| Input voltage range | DC0~10 V (default) |
| Input impedance | 1 MΩ (10 V range) |
| Sampling rate | 1 Hz default, up to 100 Hz |
| Measurement accuracy | 0.01 % FS |
| Operating temperature range | -30 °C to 60 °C |
It provides two single‑ended analog input channels.
The default range is DC 0 V to 10 V.
Verify that the power indicator is on, the COM port and baud rate are set correctly (default address 1, baud 9600), and that NI‑VISA is installed for LabVIEW.