RS-485/en: различия между версиями

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'''RS-485''' - two-wire bus communication standard.
'''RS-485''' is two-wire bus communication standard.


Up to 256 devices can be connected to the bus. Transmission speed is up to 115200 bit/s.Line length is up to 1200 meters.
Up to 256 devices can be connected to the bus. Transmission speed is up to 115200 bit/s.Line length is up to 1200 meters.

Версия 19:06, 23 апреля 2019

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RS-485 is two-wire bus communication standard.

Up to 256 devices can be connected to the bus. Transmission speed is up to 115200 bit/s.Line length is up to 1200 meters.

Via the RS-485 bus you can connect to the Wiren Board controller:


Basics of the RS-485 interface

See article Basics of RS-485 interface operation.

See article RS-485:Basics of RS-485 interface operation.

The Wiren Board devices use the Modbus Protocol on top of the RS-485. Протокол Modbus.


How to lay the bus correctly

See article RS-485:Physical connection..


Adding a device to the web interface

Configuration takes place via the Configs веб-интерфейса

After connecting the RS-485 device to the controller, you need to configure it to appear in the web interface. See the instructions in article RS-485:Настройка через веб-интерфейс.


Working with RS-485 port of the controller using its own software