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Concepto
Productos
WebStation
Funcionalidades:
Tendencias
Versión del producto:
2024, 7.0
02/12/2024
Trend Chart Axes in WebStation
The x-axis of the trend chart represents time. The time span of the axis can be set with a fixed start and end time or with an end time relative to the present time. The axis can be quick-scaled to show the last hour, last day, last month, or last year.
Figura:
Absolute time span and relative time span, schematic
The y-axis refers to the measurement unit that the variable represents. The scale of the y-axis can be set manually or by auto scale. You can configure the trend chart to present series on one y-axis or two y-axes, one to the left and one to the right. Use two y-axes to present series with different ranges in the same trend chart.
Figura:
One y-axis and two y-axes, schematic
To make reading easier, grid lines can be shown in the trend chart. Grid lines can be shown in both the x- and y-direction, independent of each other.
Figura:
Grid lines, schematic
Trend Charts
How Trend Charts Work
How Trend Logs Work
Trends Overview
Trend Chart View
Trend Chart Toolbar
Trend Chart Settings Dialog Box – X Axis Tab
Configuring the X-axis with a Relative Time Span
Configuring the X-axis with an Absolute Time Span
Showing Trend Chart Grid Lines
Manually Configuring the Y-Axis Scale
Automatically Configuring the Y-axis Scale