USBCAN-I/II Smart CAN interface card user manual, this manual mainly introduces the product features, hardware parameters, typical applications, installation methods, and common problems.
This manual describes the USBCAN‑I/II intelligent CAN interface card, a USB 1.1 compatible device with one or two CAN channels. It outlines the card’s key features such as plug‑and‑play operation, optical isolation and support for CAN 2.0B protocol.
The document includes hardware parameters, installation instructions for both USB bus power and external power modes, driver installation procedures for Windows, a parts list, typical applications, FAQ and warranty information. Appendices give a brief overview of ZLG’s CAN product line, the CAN 2.0B frame format and standard baud‑rate tables for the SJA1000 controller. This manual is written in Chinese.
| PC interface | USB 1.1 |
|---|---|
| CAN controller | PHILIPS SJA1000 |
| CAN transceiver | PHILIPS PCA82C250 |
| CAN baud rate range | 5 Kbit/s – 1 Mbit/s (programmable) |
| Maximum frame rate per channel | 5000 frames/s |
| Optical isolation voltage | 1000 V DC |
| Operating temperature | 0 °C – 70 °C |
| Physical dimensions | 115 mm × 76 mm |
| Supported operating systems | Windows 9X/Me, NT4, 2000, XP |
Copy usbcan.inf to the Windows\inf folder and usbcan.sys to Windows\system32\driver, then connect the card via USB and follow the hardware detection wizard.
The card supports up to 5000 frames per second on each CAN channel.
A 120 Ω termination resistor is recommended to absorb reflections and ensure a stable physical link, especially for multi‑node or long‑distance setups.