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RS485 And CAN Module
  • RS485 And CAN Module
  • RS485 And CAN Module
  • RS485 And CAN Module
  • RS485 And CAN Module
  • RS485 And CAN Module
  • RS485 And CAN Module
  • RS485 And CAN Module

RS485 And CAN Module

[Software Download:]

  • http://www.inno-maker.com/wiki
  • support@inno-maker.com

[Description:]

  • RS485&CAN Module is an industrial communication module for Raspberry Pi, 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 sites

[Features:]

  • 1. Compatible with Raspberry Pi Zero/Zero W/2B/3B/3B+. Only a small amount of GPIO are used and the rest pins allow to work for other extended function
  • 2. Power supply and signal isolation, Build-in surge and ESD protection.
  • 3. 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.
  • 4. RS485 function, controlled via UART, half-duplex communication, supports automatic TX/RX control without programming, onboard SPI to RS485 SC16IS1752. Electrical data isolation ADM2483.
  • 5. On board individual 120 Ohm terminal resistance, Impedance matching and guarantee the ability to drive.

[Hardware Description:]

 

1. Output Interface Description:

Item

Function

Description

1

RS485_A1

RS485-1 A Single

2

GND_485

RS485-1 Isolated GND

3

RS485_B1

RS485-1 B Single

4

RS485_A2

RS485-2 A Single

5

GND_ISO

RS485-2 Isolated GND

6

RS485_B2

RS485-2 B Single

7

CANH

CAN-H

8

CAN_GND_ISO

CAN Isolated GND

9

CANL

CAN-L S

1. Pins map of GPIO header on the Raspberry Pi.

PIN No.

PIN of Raspberry

Usage

PIN19

GPIO_10

SPI0  MOSI

PIN21

GPIO_9

SPI0  MISO

PIN23

GPIO_11

SPI0  SCLK

PIN24

GPIO_8

RS485 Transfer Chip

Selection

 

PIN26

GPIO_7

CAN Transfer Chip

Selection

PIN18

GPIO_24

RS485 Interrupt

PIN22

GPIO_25

CAN Interrupt

 

 

 

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