Key facts
- Manuals
- 2
- Languages
- ZH
- Last added
- 2011-12-10
Featured GY784X manuals

Jiyang Guangdian GY784X PCI-CAN Interface Card User Manual
This manual introduces the GY784X PCI‑CAN interface card, a PCI‑based board with one or two CAN channels, optical and DC‑DC isolation, and a range of industrial applications such as control, testing and data acquisition. It details the physical layout, connector pinout, and factory configuration options.
The document also covers driver installation, the CANTools software suite, example programming using the provided DLL, and an appendix with CAN 2.0A/B frame formats and register information. This manual is written in Chinese.
Covers: Product Overview · Physical Appearance and Interface Description · Driver Installation and CANTools Software · User Programming · Appendix

Jiyang GY784X PCI-CAN Interface Card User Manual
The GY784X PCI‑CAN interface card is a PCI‑based board with one or two isolated CAN channels, designed for data acquisition, communication and testing in industrial control, building automation and automotive applications. It features an internal DC‑DC isolated power module and optical isolation for high noise immunity.
The manual covers hardware description, driver installation, the CANTools software suite, example code libraries and detailed CAN frame format specifications, helping users configure the card, develop custom applications and perform diagnostics. This manual is written in Chinese.
Covers: Product Overview · Physical and Interface Description · Driver Installation and CANTools Software · User Programming · Appendix – CAN Frame Formats
Latest GY784X manuals
Jiyang Guangdian GY784X PCI-CAN Interface Card User Manual
User Manual 21 pages · 385 KB · ZHThe GY784X PCI‑CAN interface card manual provides specifications, installation steps, driver setup and programming guidance.
Jiyang GY784X PCI-CAN Interface Card User Manual
User Manual 21 pages · 385 KB · ZHThe GY784X PCI‑CAN interface card manual provides an overview, specifications, installation steps, driver setup, software tools and programming guidance.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in GY784X manuals
How many CAN channels does the GY784X card provide?
The GY7841 version has a single CAN channel, while the GY7842 version provides two independent CAN channels.
From: Jiyang Guangdian GY784X PCI-CAN Interface Card User Manual
Which driver file must be loaded for the PCI‑CAN card?
The driver file required is FPCIT841.sys.
From: Jiyang Guangdian GY784X PCI-CAN Interface Card User Manual
What software is supplied with the card?
A CD containing the user manual, the CANTools software suite, and development files such as DLLs, LIBs and example code for VC, VB, C++ Builder, C# and LabVIEW.
Can the card be used without external termination resistors?
Yes, the board has an integrated 120 Ω termination resistor that can be enabled or disabled via hardware.
