Wiren Board 5: Модуль расширения RS485-ISO/en: различия между версиями
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Module with galvanically isolated RS-485 interface. The speed | Module with galvanically isolated RS-485 interface. The speed is up to 1 Mbit / s. | ||
Версия 19:35, 20 апреля 2016
Module with galvanically isolated RS-485 interface. The speed is up to 1 Mbit / s.
Pinout
RS485 signals goes to terminals extansion module O1-O3.
Terminal | Function |
---|---|
O1 | A (D+) |
O2 | B (D-) |
O3 | Isolated GND (Common, C) |
Operation
Port is available in the system as
- /dev/ttyAPP2 - when installed in first slot for expansion module (MOD1)
- /dev/ttyAPP3 - when installed in second slot for expansion module (MOD2)
For work you need to disable hardware flow control. Additional configuration port as the RS485 is required.