ii "Job Done" Examples Date Code 20010518
SEL-2020 Instruction Manual
Identifying the Problem...............................................................................................................4-49
Defining the Solution..................................................................................................................4-49
Set the SEL-2020.................................................................................................................4-49
Set the SEL-2020, Step-By-Step.................................................................................................4-51
Operation.....................................................................................................................................4-52
Example 7: Switch Group Settings on all Relays ......................................................................4-53
Identifying the Problem...............................................................................................................4-53
Defining the Solution..................................................................................................................4-54
Set the SEL-2020.................................................................................................................4-54
Operation.............................................................................................................................4-54
Set the SEL-2020, Step-By-Step.................................................................................................4-55
Operation.....................................................................................................................................4-59
Example 8: Getting Data From a Non-SEL IED........................................................................4-61
Identifying the Problem...............................................................................................................4-61
Defining the Solution..................................................................................................................4-62
Set the SEL-2020.................................................................................................................4-62
Test the Operation ...............................................................................................................4-62
Set the SEL-2020, Step-By-Step.................................................................................................4-63
Test the Operation.......................................................................................................................4-65
Example 9: SEL-2020 Applied to SCADA RTU Control .........................................................4-67
Introduction.................................................................................................................................4-67
Identifying the Problem...............................................................................................................4-67
Defining the Solution..................................................................................................................4-67
Set the SEL-2020 Step-by-Step...................................................................................................4-67
Test the Operation.......................................................................................................................4-69
FIGURES
Figure 4.1: SEL-2020 Configured with Seven SEL-251 Relays, Optional Modem, and IRIG-B
Source .............................................................................................................................4-3
Figure 4.2: SEL-2020 with Relays and Printers......................................................................................4-17
Figure 4.3: SCADA RTU Configuration Diagram .................................................................................4-25
Figure 4.4: Trigger P00:00:01 and 20METER Setting in SET A...........................................................4-27
Figure 4.5: Define CMD1="GETDAT" in SET U..................................................................................4-28
Figure 4.6: Functional Model of Message Archive Function for Port 1.................................................4-38
Figure 4.7: Functional Model of Printing Archived Reports ..................................................................4-46
Figure 4.8: Functional Model of Collection by Modem .........................................................................4-50
Figure 4.9: Group Switch Configuration Diagram .................................................................................4-53
Figure 4.10: Group Switch Functional Diagram.....................................................................................4-54
Figure 4.11: Non-SEL IED Attached to Port 12 .....................................................................................4-61
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