PHP file: require_once dirname(FILE) . ‘/Phpmodbus/Phpmodbus/ModbusMaster.php’; // Create Modbus object$modbus = new ModbusMaster(“192.168.1.199”, “TCP”); try {// FC 3$recData = $modbus->readMultipleRegisters(1, 32262, 1); // PV1 voltage }catch (Exception $e) {// Print error information if anyecho $modbus;echo $e;exit;} // Print status informationecho “Status: ” . $modbus; // Print read dataecho “Data: “;print_r($recData);echo ““; $data = (256*$recData[0]) + . . .
Raspberry Pi: Reading ModBus data from Huawei inverter SUN 2000
