120259 RS485 Shield For Arduino

RS485 Shield For Arduino

This motor arduino shield allows Arduino to drive two channel DC motors. It uses a L298P chip which deliveries output current up to 2A each channel.
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Prices are VAT included
€10.86 Price
€8.90 + VAT

 

Details

RS485 is an industrial standard for long dsitance, anti-interferrence and reliable communication.   So we create this RS485 Arduino shield, especially designed for the Arduino controller board. It converts UART/Serial protocol to RS485 protocol.  This board allows Arduino access to industrial standard protocol easily.
In contrast to RS-422, which has a single driver circuit which cannot be switched off, RS-485 drivers use three-state logic allowing individual transmitters to be deactivated. This allows RS-485 to implement linear bus topologies using only two wires. The equipment located along a set of RS-485 wires are interchangeably called nodes, stations or devices.
  • Integrated a standard RS485 port ,a mini RS485 port, RS485 headers
  • Provide the welding areas to make full use of the free space. And more importantly, it's convenient for your DIY design.
  • Switch between automatic mode and manual transmission mode, which expand the scope of application.
  • Besides Tx/Rx interface, there is a switch to block/disable this shield, when Arduino needs to be programmed.
  • Gold immersion PCB. Long pins on the back adapt to most Arduino controllers.
What is RS485?
"RS-485 enables the configuration of inexpensive local networks and multidrop communications links. It offers data transmission speeds of 35 Mbit/s for distandances up to 10 m and 100 kbit/s up to 1200 m. Since it uses a differential balanced line over twisted pair (like RS-422), it can span relatively large distances up to 1,200 m (4,000 ft). A rule of thumb is that the speed in bit/s multiplied by the length in meters should not exceed 108. Thus a 50 meter cable should not signal faster than 2 Mbit/s." From Wiki.
 

 

 

SPECIFICATION

 

 

  • Power module: +5V
  • Module size: 55mmx53mm(2.16"x2.08")
  • 16 digital IO port (including a I2C interface)
  • 6 analog IO port and power
  • Operation and programming mode switch
  • Automatic and manual transceiver mode switch (When in manual transceiver mode, the enable end is the 2nd digital IO port)
  • Transceiver indicating LED
  • Standard RS485 interface, mini RS485 interface and RS485 pins
  • Welding area
  • Reset switch
  • PH2.0 sensor interface for DFRobot RS485 series sensor: URM04 Ultrasonic sensor

 

 

 

DOCUMENTS

 

 

 

 

SHIPPING LIST

 

 

  • RS485 shield     x1

Specifications

Part. No. : DFR0259
Interface : Serial
Voltage : 5
Shield Type : Communication

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