Accessing the Engineering Chart

The engineering chart is accessed from the Data Tree Explorer. There are two access points.

• Right-click menu on data tree.

• Function button on selection tool.

The engineering chart will plot data for single or multiple point selection up to a maximum of twelve.

The following section deals initially with single point selection and demonstrates the available functionality within the engineering chart.

Overview

Select a single point and launch engineering chart. Chart appears in popup window.

• When launched, the engineering chart will interrogate the point’s configuration to determine how much data to display.
• On the point configuration screen, Plot History tab we have the following fields.

• The ‘Hi Res Days’ tells the chart how many days of data to plot.
• The plot history type tells the chart to plot Measured (raw) data, or averages. The averages can be hourly, daily, weekly or monthly.
• The engineering chart contains several information fields regarding the current display.
• The ‘Date Range’ fields show the span of the currently loaded data set.

• A tooltip appears showing information about the current cursor position.

• Point names appear in a legend at the foot of the display.

• These are clickable and allow the user to hide/display individual traces.
• A ‘navigator’ trace is situated at the foot of the display.

• This area contains of a representation of the current data set. It also gives an indication of the current zoom, and provides functionality for zooming.