资 源 简 介
PhpModbus
This project deals with an implementation of the basic functionality of the Modbus TCP and UDP based protocol using PHP.
The project continues at https://github.com/krakorj/phpmodbus
Implemented features:
* Modbus master
* FC1 - Read coils
* FC2 - Read input discretes
* FC3 - Read holding registers
* FC4 - Read holding input registers
* FC5 - Write single coil
* FC6 - Write single register
* FC15 - Write multiple coils
* FC16 - Write multiple registers
* FC23 - Read/Write multiple registers
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Example:
```
requireonce dirname(FILE__) . "/Phpmodbus/ModbusMaster.php";
// Modbus master UDP
$modbus = new ModbusMaster("192.168.1.1", "UDP");
// Read multiple registers
try {
$recData = $modbus->readMultipleRegisters(0, 12288,
