// 3. Add layers viz.addLayer(LayerType.AXIS, showGrid: true ); viz.addLayer(LayerType.LINE, dataset, lineColor: '#1f77b4', lineWidth: 2, pointRadius: 3 );

Connect the external power supply positive terminal to the generator's wiring diagram description for specific PLC models, or perhaps help with the calibration procedure U6206.pdf - Uctronics.com