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SEL-751A Relay Instruction Manual Date Code 20100129
List of Figures
Figure 6.1 Front-Panel Setting Entry Example........................................................................................ 6.3
Figure 7.1 Simple Ethernet Network Configuration................................................................................ 7.3
Figure 7.2 Ethernet Network Configuration With Dual Redundant Connections (Failover Mode)........ 7.4
Figure 7.3 Ethernet Network Configuration With Ring Structure (Switched Mode).............................. 7.4
Figure 7.4 IRIG-B Input (Relay Terminals B01–B02)............................................................................ 7.6
Figure 7.5 IRIG-B Input Via EIA-232 Port 3 (SEL Communications Processor as Source).................. 7.6
Figure 7.6 IRIG-B Input VIA EIA-232 Port 3 (SEL-2401/2404/2407 Time Source)............................. 7.7
Figure 7.7 IRIG-B Input VIA Fiber-Optic EIA-232 Port 2 (SEL-2030/2032 Time Source) .................. 7.7
Figure 7.8 IRIG-B Input VIA Fiber-Optic EIA-232 Port 2 (SEL-2401/2404/2407 Time Source) ......... 7.7
Figure 7.9 EIA-232 DB-9 Connector Pin Numbers ................................................................................ 7.8
Figure 7.10 SEL Cable C234A—SEL-751A to DTE Device................................................................... 7.9
Figure 7.11 SEL Cable C227A—SEL-751A to DTE Device................................................................... 7.9
Figure 7.12 SEL Cable C222—SEL-751A to Modem ............................................................................. 7.9
Figure 7.13 SEL Cable C272A—SEL-751A to SEL Communications Processor
Without IRIG-B Signal..................................................................................................... 7.10
Figure 7.14 SEL Cable C273A—SEL-751A to SEL Communications Processor
With IRIG-B Signal.......................................................................................................... 7.10
Figure 7.15 SEL Cable C387—SEL-751A to SEL-3010........................................................................ 7.10
Figure 7.16 AFT Command Response .................................................................................................... 7.19
Figure 7.17 Ethernet Port (PORT 1) Status Report ................................................................................. 7.25
Figure 7.18 Non-Redundant Port Response ............................................................................................ 7.25
Figure 7.19 GOOSE Command Response............................................................................................... 7.28
Figure 7.20 PING Command Response................................................................................................... 7.34
Figure 7.21 SHOW Command Example ................................................................................................. 7.39
Figure 7.22 Typical Relay Output for STATUS Command..................................................................... 7.40
Figure 8.1 Front-Panel Overview ............................................................................................................ 8.2
Figure 8.2 Access Level Security Padlock Symbol................................................................................. 8.3
Figure 8.3 Password Entry Screen........................................................................................................... 8.4
Figure 8.4 Front-Panel Pushbuttons......................................................................................................... 8.4
Figure 8.5 Main Menu ............................................................................................................................. 8.5
Figure 8.6 MAIN Menu and METER Submenu ..................................................................................... 8.6
Figure 8.7 METER Menu and ENERGY Submenu................................................................................ 8.6
Figure 8.8 Relay Response When Energy (or Max/Min, Demand, Peak Demand) Metering Is Reset... 8.6
Figure 8.9 Relay Response When No Analog Cards Are Installed......................................................... 8.6
Figure 8.10 Relay Response When No Math Variables Enabled .............................................................. 8.7
Figure 8.11 MAIN Menu and EVENTS Submenu.................................................................................... 8.7
Figure 8.12 EVENTS Menu and DISPLAY Submenu.............................................................................. 8.7
Figure 8.13 Relay Response When No Event Data Available................................................................... 8.7
Figure 8.14 Relay Response When Events Are Cleared ........................................................................... 8.7
Figure 8.15 MAIN Menu and TARGETS Submenu ................................................................................. 8.8
Figure 8.16 TARGETS Menu Navigation ................................................................................................. 8.8
Figure 8.17 MAIN Menu and CONTROL Submenu ................................................................................ 8.8
Figure 8.18 CONTROL Menu and OUTPUTS Submenu ......................................................................... 8.9
Figure 8.19 CONTROL Menu and LOCAL BITS Submenu.................................................................... 8.9
Figure 8.20 MAIN Menu and SET/SHOW Submenu ............................................................................. 8.10
Figure 8.21 SET/SHOW Menu................................................................................................................ 8.11
Figure 8.22 MAIN Menu and Status Submenu ....................................................................................... 8.11
Figure 8.23 MAIN Menu and Breaker Submenu .................................................................................... 8.12
Figure 8.24 Factory Default Front-Panel LEDs....................................................................................... 8.12
Figure 8.25 Target Reset Pushbutton ....................................................................................................... 8.13
Figure 8.26 Operator Control Pushbuttons and LEDs............................................................................. 8.14
Figure 9.1 Example Event Summary....................................................................................................... 9.3
Figure 9.2 Sample Event History............................................................................................................. 9.6
Figure 9.3 Example Standard 15-Cycle Event Report 1/4-Cycle Resolution ....................................... 9.12
Figure 9.4 Derivation of Event Report Current Values and RMS Current Values From
Sampled Current Waveform ............................................................................................. 9.13
Figure 9.5 Derivation of Phasor RMS Current Values From Event Report Current Values.................. 9.14
Figure 9.6 Example Sequential Events Recorder (SER) Event Report ................................................. 9.15
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