Modbus86 Gateway

Posted by On 02 / 19 / 2019 0 Comment

Modbus86 Gateway can make 86Duino simulate a Modbus Gateway, which is a gateway that forwards Modbus Master communication data.

Example

Use Modbus TCP as the communication method with Modbus Master and forward its communication data to the node on Modbus RTU

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#include <Arduino.h>

#include <Modbus86.h>

#include <Ethernet.h>

 

ModbusMaster bus;

ModbusMasterNode node1;

ModbusMasterNode node2;

 

ModbusGateway gateway;

 

byte mac[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

IPAddress localIp(192,168,1,102);

 

void setup()

{

    Ethernet.begin(mac, localIp);

    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);

    gateway.setTimeout(500);

}

 

void loop()

{

    gateway.poll();

}

Library Reference

The text of the 86Duino reference material follows the Creative Commons Attribution-Share Alike 3.0 License. The code examples in the reference material have been released into the public domain.