Date Code 20010518 “Job Done” Examples - (Example 6) 4-49
SEL-2020 Instruction Manual
EXAMPLE 6: COLLECT EVENT REPORTS BY MODEM
I
NTRODUCTION
Example 6 expands on the SEL-2020 data and communication processing capabilities developed
and described in the previous examples. This example demonstrates the ability to transfer data
via a modem and telephone link to a remote computer at specified times and days of the week.
IDENTIFYING THE PROBLEM
In this example, you must transfer the SEL relay long event reports to a remote computer at a
specified time each weekday. You will continue to collect, store, and locally print the long event
reports as you did in Example 5, except you will not clear the long event report records from the
archive data region as the records are printed.
DEFINING THE SOLUTION
Maintain the SEL-2020 settings to collect long event reports as shown in Examples 4 and 5.
Set the SEL-2020
1. Use SET A 8 to supply Port 8 with the timed trigger condition and the message to retrieve
contents of the A3 Data Region on Ports 1 through 7.
2. Change the printer settings made in Example 5 so event report records are not cleared after
printing.
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