[Modbus]
描述
Receives and parses Modbus packets and sends them to the corresponding node according to the packet address.
語法
gateway.poll()
參數
gateway
: ModbusGateway object.
回傳
int: The length of the received Modbus packets.
範例
#include <Modbus86.h> #include <Ethernet.h> ModbusMaster bus; ModbusMasterNode node1; ModbusMasterNode node2; ModbusGateway gateway; void setup() { Ethernet.begin(); Serial485.begin(115200); gateway.begin(MODBUS_TCP); bus.begin(MODBUS_RTU, Serial485); node1.attach(11, bus); node2.attach(12, bus); gateway.connect(node1); gateway.connect(node2); } void loop() { gateway.poll(); }
函式庫參考主頁面
86Duino 參考的文本是根據 Creative Commons Attribution-ShareAlike 3.0 License,部分文本是從 the Arduino reference 修改的。 參考中的代碼示例已發佈到公共領域。