Modbus RJ45 addon

15.00

The RS485 Serial HAT from jDesktop.com is a Serial communication HAT designed for use with any Raspberry Pi GPIO compatible SOCs. RS485 can be used across large distances.

Description

The RS485 Serial HAT from jDesktop.com is a Serial communication HAT designed for use with any Raspberry Pi GPIO compatible SOCs. RS485 can be used across large distances.

RS485 is in use in many applications like industrial automation (for example MODBUS)

On request we undertake customization tasks. Please contact us if you have any request.

RS485 Serial HAT Features:

  • RS485 mode (half duplex)
  • Enhanced ESD protection
  • Indicator LEDs for RX and TX
  • RJ45 connector
  • External power supply for 12V or 24V devices (screw terminal connector)
  • Reverse polarity protection

Pinout

RJ45

Pin number Function
1 RS-485(-) Modbus (B)
2 Not used
3 Not used
4 GND
5 +Us
6 RS-485(+) Modbus (A)
7 +Us
8 GND

Screw terminal (External power supply)

Pin number Function
1 GND
2 +Us

Downloads

Schematics

Footprint

KICAD design files 

 

Additional information

Weight 0.1 kg
Dimensions 80 × 80 × 1 cm