UART Converter - RS485 3.3V - ARK/RJ11 - Waveshare 4777

Index: WSR-04496 EAN: 5904422371463

Converter allows you to connect the microcontroller via the RS-485 bus which supports up to 32 devices on a line length up to 1 km with a speed up to 10 Mbps. The module is based on a SP3485 fitted with connectors: goldpin, ARK from RJ11.

UART Converter - RS485 3.3V - ARK/RJ11 - Waveshare 4777
€3.50
€2.85 tax excl.
Delivery 30 pcs scheduled for 2024-04-12
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Manufacturer: Waveshare

Description

Converter allows you to connect the microcontroller via the RS-485 bus which supports up to 32 devices on a line length up to 1 km with a speed up to 10 Mbps.The module is based on a SP3485 fitted with connectors:goldpin, raster 2.54 mm- for connection with the microcontroller using the serial interfaceARK andRJ11for RS485.

Inputs

The module communicates via a serial UART interface usinggoldpin connectors - 2.54 mm raster. Description of the outputs is given in the table below.

 

Pin

Description

VCC Power Supply: 3.3 V.
GND The ground of the system.
RO The output data on a serial bus must be connected to pin Rx of the microcontroller.
DI The output data on a serial bus must be connected to pin TX of the microcontroller.
RSE

Direction control outputs/inputs, RS485 bus:

  • High - businput is on.
  • Lw - busoutput is on.
And Output/ input RS-485 irreversable.
B Output/ input RS-485 reversable.

 

The system has three types of output connectors RS485:goldpin raster 2.54 mm,ARK (screw)andRJ11 (telephone). The location of the telephone connector can be configured by soldering jumpers signed on the reverse side of the module.

 

Jumper configuration on the back of the board.

 

Specification

  • Working voltage: 3.3 V
  • Driver: SP3485 (documentation)
  • Communication with the microcontroller: serial interface UART
  • Connectors RS485: goldpin 2.54 mm, SHEETS or RJ11
  • Board sizes: 42 x 16.5 mm

 

Converter - chip SP3485
Converter - Socket ARK / RJ11
Converter - Interface UART
Test 4
Package width 5 cm
Package height 1 cm
Package depth 7 cm
Package weight 0.006 kg

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UART Converter - RS485 3.3V - ARK/RJ11 - Waveshare 4777

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