RS485&CAN Shield is an industrial communication module for Raspberry Pi 4 Model B/3B+/3B/2B/Zero/Zero W, there are on board 2*RS485 Bus and 1*CAN Bus communication interface via SPI interface.
CAN bus and RS485 bus powered through separated isolation power module, signal between the transceiver and the controller is isolated, ESD protection for the communication port, ensure your raspberry pi can be used in more strictly industrial scene.
- Raspberry Pi 4 Model B
- Raspberry Pi 3 Model B+
- Raspberry Pi 3 Model B
- Raspberry Pi 2 Model B
- Raspberry Pi 1 Model B
- Raspberry Pi Zero
- Raspberry Pi Zero W
- Compatible with Raspberry Pi 4 Model B/3B+/3B/2B/Zero/Zero W.
- Only a small amount of GPIO are used and the rest pins allow to work for other expansion function. please refer to RS485 CAN Shield#GPIO MAP
- Power supply and signal isolation, Build-in surge and ESD protection.
- CAN function, onboard CAN controller MCP2515 via SPI interface, onboard high speed CAN transceiver, onboard digital isolation ADUM1201BRZ, Communication Rates 20Kbps-1Mpbs can be programmed arbitrarily.
- RS485 function, controlled via UART, half-duplex communication, supports automatic TX/RX control without programming, onboard SPI to RS485 SC16IS1752. Electrical data isolation ADM2483
||PIN of Rpi
||RS485 Transfer Chip Selection
||CAN Transfer Chip Selection
||RS485-1 A Single
||RS485-1 Isolated GND
||RS485-1 B Single
||RS485-2 A Single
||RS485-2 Isolated GND
||RS485-2 B Single
||CAN Isolated GND
- 1 x RS485 And CAN Module
- 1 x Screws Pack
Software Download: RS485 CAN HAT Download
WIKI for Reference: raspberrypiwiki.com/index.php/RS485_CAN_Shield
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