PCH2155 data acquisition card is a data acquisition card based on PC104+ bus. It can be directly connected with PC104+ interface and used to build data acquisition, waveform analysis and processing systems in various fields such as laboratory, product quality testing center.
This manual describes the PCH2155 data acquisition (DAQ) card, its main functions, hardware layout, and signal interfaces. It includes detailed information on the AD converter, channel configuration, and data format.
The document also covers installation procedures, calibration methods, safety notes, and warranty terms, helping users set up the card, acquire data, and maintain reliable operation. This manual is written in Chinese.
| AD converter model | AD7656BSTZ |
|---|---|
| Sampling frequency | 10 Hz – 250 kHz |
| Number of analog input channels | 12 |
| Input mode | Differential |
| Channel switching mode | Odd/even/12‑channel synchronous |
The PCH2155 provides 12 physical analog input channels.
Connect the selected channel to 0 V, run the calibration program, and follow the on‑screen prompts to complete calibration.