[Modbus]
Description
Receives and parses Modbus packets and sends them to the corresponding node according to the packet address.
Syntax
gateway.poll()
Parameters
gateway: ModbusGateway object.
Returns
int: The length of the received Modbus packets.
Example
#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();
}Libraries Reference Home
The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.
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