mercury-meter/example.js

A library for communicating with Mercury energy meters over TCP or serial port

const { MercuryBus } = require('./src/MercuryMeter');

const bus = new MercuryBus({
  connectionType: 'tcp',
  host: '176.193.75.143',
  port: 4001,
  baudRate: 9600
});

// Добавление счетчиков с индивидуальными паролями и уровнями доступа
bus.addMeter(0x4B, { accessLevel: 1, password: Buffer.from([1, 1, 1, 1, 1, 1]) });
bus.addMeter(0x4C, { accessLevel: 2, password: Buffer.from([2, 2, 2, 2, 2, 2]) });

const paramCodes = [0x00, 0x04, 0x08, 0x11, 0x12, 0x13, 0x21, 0x22, 0x23, 0x30, 0x40];
const options = {
  intervalBetweenParams: 100,
  intervalBetweenMeters: 200,
  maxRetries: 5,
  retryDelay: 100,
  responseTimeout: 500
};

// Подписка на события
bus.on('data', (result) => {
  console.log(`Meter ${result.address} (0x${result.address.toString(16)}):`);
  console.log('  Parameters:', result.parameters);
  if (result.errors.length > 0) {
    console.log('  Errors:', result.errors);
  }
});

bus.on('cycleComplete', (results) => {
  console.log('Polling cycle completed:', results);
});

bus.on('error', (error) => {
  console.error('Polling error:', error);
});

// Запуск циклического опроса
bus.pollAllMetersCyclically(paramCodes, options, 5000).catch(async (error) => {
  console.error('Critical error:', error);
  await bus.close();
});