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Issue: 0.4
History Function
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P450 In Home Energy Monitor - DRAFT User Manual
7
History Function
7.1
History overview
The History function enables the user to view historical data associated with their usage and cost.
The suite of screens associated with the History function can be seen in overview below:
History
Function
Cost / kWh
Usage Today
Cost / kWh
Usage Week
Cost / kWh
Usage Month
Cost / kWh
Usage Year
Detail View
Detail View
Detail View
Detail View
Home
Screen
Menu
Screen
1 day view of 30 minute intervals
7 day view of daily intervals
31 day view of daily intervals
1 year view of monthly intervals
Figure 23 History Function Layout
The key displays in this suite are:
1.
Daily views of half hourly profiles
2.
Weekly views of daily profiles
3.
Monthly views of daily profiles
4.
Annual views of monthly profiles
Each of these 4 screen views be a simple bar graph profile and as a bar graph profile with detailed
analysis superimposed. Further explanation of operation can be seen in the following section.
7.2
History function operation
On selection of the History function from the Main Menu the P450 IHEM will show the Day View
screen. The following section details the features and operation of the history function.