Isolated RS232 / RS485 / CAN / CAN FD Expansion Board For Raspberry Pi, Expands 2x RS485, 1x RS232, 1x CAN FD, and 1x CAN, Wall-mount & Rail-mount Support

Isolated RS232 / RS485 / CAN / CAN FD Expansion Board For Raspberry Pi, Expands 2x RS485, 1x RS232, 1x CAN FD, and 1x CAN, Wall-mount & Rail-mount Support

The RS232 RS485 CAN Board is an industrial isolated interface expansion board designed for Raspberry Pi 4B / Raspberry Pi 5, provides a variety of industrial communication interfaces: 2x RS485, 1x RS232, 1x CAN FD, and 1x CAN, each with electrical isolation. Onboard lightning proof, anti-electrostatic protection, etc. for more secure and reliable communication.

Comes with industrial rail-mount enclosure for easy integration in industrial control applications. Provides sufficient internal space for users to stack other HATs or expansion boards, and reserved installation space of PCIe adapter board for Raspberry Pi 5, which is more convenient for further expansion.

User Manual / Datasheet / Example Codes Etc.

Features

• Compatibility
• Compatible with Raspberry Pi 4B and Raspberry Pi 5 with standard Raspberry Pi 40pin GPIO headers.

• Multiple Industrial Communication Interfaces
• Provide 2x RS485, 1x RS232, 1x CAN FD and 1x CAN communication interface

• Electrical Isolation Protection
• Each interface boasts electrical isolation, ensuring communication safety and reliability.

• Flexible Expandability
• Adopt SC16IS752 and SP485 dual chips, expand 2x RS485 interfaces through SPI interface.
• Adopt MCP2515 and SN65HVD230 dual chips, expand 1x CAB interface through SPI interface.
• Adopt MCP2518FD and MCP2562FD dual chips, expand 1x CAN FD interface.
• Adopt Raspberry UART and SP3232EEN dual chips, expand 1x RS232 through UART interface.

• Protection
• Onboard TVS (Transient Voltage Suppressor), lightning proof and ESD protection.
• Onboard self-recovery fuse and protection diodes, boasting anti-surge, over-voltage protection and improving anti-shock ability.

• Power Isolation
• Onboard unibody power isolation, no additional power supply, ensuring the stable current and voltage output of RS232, RS485, CAN, and CAN FD, with powerful anti-interference ability.

• Signal Isolation
• Onboard digital isolation chip, improving the safety, stability and anti-interference of signal isolation.

• Flexible Power Supply
• Support 7~36V wide voltage input and can work with Pi5 Connector Adapter (B) to power the Raspberry Pi and the HAT.

• Adjustable Terminal Resistor
• Onboard 120Ω terminal resistor, enable through jumper cap.

• Reserve Interrupt Resistor
• Reserve interrupt resistor pad, support flexible interrupt pin switching, avoid occupying special pins.

• Expansion and Installation
• Reserve PCIe connector for Raspberry Pi 5 for further function expansion.
• Provide customized industrial rail-mount case, reserves enough internal space for stacking boards for customizable functions.

• Complete Resources
• Provide online development resources and manuals including Raspberry Python, C demos and so on.

Suitable for Raspberry Pi 4B/5

Based on Raspberry Pi 40PIN GPIO header

* for reference only, the Raspberry Pi 5 and PCIe board are not included.

Package Includes

Interface introduction

Assembly instruction

Dimensions