Alpha Technologies Cordex Controller Ver.2.0 - Manual (Page 77)

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6.6.3.6 Example Three – Generator Voltage
The following is an example of a Data Log configured to monitor the input voltage of a system
when a generator is activated (for emergency backup power).
With the web interface, select the Signals page and then the Configure Data Logging window:
Figure 74–Configure (Signals) Data Logging web interface window, example three
Under File Information, select Log Signals to enable the signal for logging:
Figure 75–Enable (Controller) Signals for Data Logging web interface window
Select Apply (to accept changes and return to Configure Data Logging window).
Once the Data Log is configured, select Submit Changes to accept the changes as before.
In this example, the data will start logging when the digital input signal from the generator
switches on. The log will stop once the data has collected for the desired interval.
From the Logs & Files page, select Retrieve Logs. Locate the pull-down menu to select the file
created then select Data Log to view the log information. Copy and paste the data from the new
web browser window into a spreadsheet application for analysis.
Under Data Log Files,
select a new file to edit
Under Log Frequency,
select Enable
Time Interval
Under Stop Trigger,
select Duration of one
hour
Enter description of
new file
Enter number of Log
Records you wish to
keep and select FIFO
Select Rectifier Signals
Toggle item for logging