Schweitzer Engineering Laboratories SEL-2020 - Example 1: Using the SEL-2020 as a Port Switch

Date Code 20010518 "Job Done" Examples i
SEL-2020 Instruction Manual
TABLE OF CONTENTS
SECTION 4: “JOB DONE” EXAMPLES 4-1
Introduction...................................................................................................................................4-1
Example 1: Using the SEL-2020 as a Port Switch.......................................................................4-3
Introduction...................................................................................................................................4-3
Identifying the Problem.................................................................................................................4-3
Defining the Solution....................................................................................................................4-4
Complete Hardware Connections..........................................................................................4-4
Set the SEL-2020...................................................................................................................4-4
Verify and Test All Communication Paths ...........................................................................4-4
Set the SEL-2020, Step-By-Step...................................................................................................4-5
Verify and Test All Communication Paths .................................................................................4-13
Example 2: Print Relay Messages..............................................................................................4-17
Introduction.................................................................................................................................4-17
Identifying the Problem...............................................................................................................4-17
Defining the Solution..................................................................................................................4-18
Complete Hardware Connections........................................................................................4-18
Set the SEL-2020.................................................................................................................4-18
Verify and Test All Communication Paths ........................................................................4-18
Set the SEL-2020 Step-By-Step..................................................................................................4-19
Verify and Test All Communication Paths .................................................................................4-22
Example 3: SEL-2020 Applied to SCADA RTU Data Access..................................................4-25
Introduction.................................................................................................................................4-25
Identifying the Problem...............................................................................................................4-25
Defining the Solution..................................................................................................................4-25
Complete Hardware Connections........................................................................................4-26
Set the SEL-2020.................................................................................................................4-26
Verify and Test All Communication Paths .........................................................................4-28
Set the SEL-2020, Step-By-Step.................................................................................................4-29
Verify and Test All Communication Paths .................................................................................4-34
Example 4: Archive Event Reports to Nonvolatile Flash Memory ...........................................4-37
Introduction.................................................................................................................................4-37
Identifying the Problem...............................................................................................................4-37
Defining the Solution..................................................................................................................4-37
Set the SEL-2020.................................................................................................................4-37
Test the Operation ...............................................................................................................4-38
Set the SEL-2020, Step-By-Step.................................................................................................4-39
Test the Operation.......................................................................................................................4-42
Example 5: Print Archived Event Reports.................................................................................4-45
Introduction.................................................................................................................................4-45
Identifying the Problem...............................................................................................................4-45
Defining the Solution..................................................................................................................4-45
Set the SEL-2020.................................................................................................................4-45
Set the SEL-2020, Step-By-Step.................................................................................................4-47
Example 6: Collect Event Reports by Modem...........................................................................4-49
Introduction.................................................................................................................................4-49