AO Faceplate: Trend Frame
Refer to the following table for descriptions of the fields.
Area | Description |
1 | Y-Axis. Displays engineering units specified in the object definition, e.g. PSI, inches, volts, pounds per hour, standard cubic feet. |
2 | Trend line of the AO analog value. |
3 | Trend Slider. As the slider is moved, the following displays in the legend based on the slider position: Slider position, Y-axis value, Date, and Time. |
4 | Trend Scroll Back Buttons. Click to scroll back in time. One page: Depending on time duration selected (15 Mins, 1 Hr, or 8 Hrs) each click on the Scroll button will send the trend chart back in time by the following increments: 15 Minutes, 1 hour, or 8 hours. 50 percent: Depending on time duration selected (15 Mins, 1 Hr, or 8 Hrs) each click on the Scroll button will send the trend chart back in time by the following increments: 7.5 minutes, 30 minutes, 4 hours. |
5 | X-axis. Local (PC) time. |
6 | Trend Scroll Forward Buttons. Click to scroll forward in time. One page: Depending on time duration selected (15 Mins, 1 Hr, or 8 Hrs) each click on the Scroll button will send the trend chart forward in time by the following increments: 15 Minutes, 1 hour, or 8 hours. 50 percent: Depending on time duration selected (15 Mins, 1 Hr, or 8 Hrs) each click on the Scroll button will send the trend chart forward in time by the following increments: 7.5 minutes, 30 minutes, 4 hours. |
7 | The Trend chart legend displays the following based on the slider position: the Display line, the Line value at the slider, Date at the slider, and the Time at the slider. |
8 | 15 Mins Button: The Trend chart time duration is 15 minutes. The button's indication light is green when this time span is selected. |
9 | 1 Hr Button: the Trend chart time duration is one hour. The button's indication light is green when this time span is selected. |
10 | 8 Hrs Button: The Trend chart time duration is eight hours. The button's indication light is green when this time span is selected. |
11 | Chart Display Button: Display toggle button to maximize/minimize chart and information display. Clicking the button moves you to successive states. The three states are: No Y-axis/No Legend, Y-axis/No Legend, and Y-axis and Full Legend. The Y-axis, when displayed, shows the engineering units specified in the object definition, e.g. PSI, inches, volts, pounds per hour, standard cubic feet. The date and time continue to display. |
12 | Unzoom Button. Draw a box around the area to be zoomed. The Trend chart zooms to your selection. Click the Unzoom button to return the chart to its normal display size. |
13 | Grid Button. Click to display/hide the grid. Default: The grid displays. |
14 | Exit Button. Click to close the faceplate. |