Arduino lisäkortit

Valmistajat

Uusi ARDUINO SHIELD RS485 Näytä suurempana

ARDUINO SHIELD RS485

ARD RS485

2 kappaletta

Varastossa

Valmistajan kotisivu

43,40 €

Optoerotettu RS422 / RS485 shield lisäkortti Arduino :lle.

Some RS485 shields for the Arduino are already available on the market, but these extensions are not suitable for professional use, because they come without a galvanic isolation between the RS485 bus and the Arduino. Without such isolation a damaging of the Arduino or malfunction of the device is possible, because of the large distances of a RS485 bus. Furthermore a full-duplex mode (RS422) is also not integrated.

This shield comes with a lot of additional features:

  • RS485 mode (half duplex)
  • RS422 mode (full duplex)
  • galvanic isolation between Arduino and connected RS485 bus
  • free choice of TX-pin between pins 0-5 
  • free choice of RX-pin between pins 0-5
  • enhanced ESD protection
  • adjustable automatic transceiver switching for RS485 mode
  • adjustable control of transceiver/receiver via pin 6 or 7
  • adjustable Pull-Up, Pull-Down und terminating resistors
  • indicator LEDs for RX and TX 
  • removable block terminal for bus connection
  • many options adjustable via DIP switches
  • stackable headers
  • can be configured for 3.3V and 5V logic

The RS485 is in use in many applications like industrial and home automation (for example MODBUS), lighting control (DMX), video surveillance (for example Pelco D) ...

If you like to know more about RS485 visit this website: http://www.radio-electronics.com/info/telecommunications_networks/rs485/rs-485-tutorial-basics.php

Tarkempi kuvaus
ValmistajaHartmut Wendt (Zihatec)
Valmistajan malliRS422 / RS485 Shield for Arduino

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