code: function update() {
      updateAllData();
      series[0].data = dataX;
      series[1].data = dataY;
      series[2].data = dataZ;
      series[3].data = dataA;
      series[4].data = dataB;
      series[5].data = dataG;
      plot.setData( series );
      plot.draw();
  
      setTimeout(update, updateInterval); // 繰り返し描画
  }
docs: 描画領域