AIO-3399C 串口RS232 RS485对应的节点
AIO-3399C https://gd3.alicdn.com/imgextra/i4/0/O1CN01i1jUjS1ZSRDugDBj4_!!0-item_pic.jpg_400x400.jpghttps://item.taobao.com/item.htm?&id=583317113674
UART1,UART2为TTL电平接口,RS232为RS232电平接口,RS485为RS485电平接口
硬件接口对应的软件节点是:
[*]RS485:/dev/ttysWK0
[*]RS232:/dev/ttysWK1
[*]UART2:/dev/ttysWK2
[*]UART1:/dev/ttysWK3
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