Date Code 20110408 Instruction Manual SEL-551 Relay
List of Tables
Table 1.1 Overcurrent Elements............................................................................................................. 1.6
Table 2.1 Required Control Voltage Jumper Positions for Applied Nominal Control Voltage
(SEL-551 With the Conventional Terminal Blocks Option) ............................................ 2.15
Table 2.2 Required Position of Jumper JMP13 for Desired Output Contact OUT4 Operation........... 2.17
Table 3.1 Processing Order of SEL
OGIC Control Equation Operators................................................... 3.1
Table 3.2 Processing Order of Relay Elements and Logic (Top to Bottom).......................................... 3.3
Table 3.3 Correspondence Between Local Control Switch Positions and Label Settings..................... 3.5
Table 3.4 Correspondence Between Local Control Switch Types and Required Label Settings........... 3.6
Table 3.5 Relay Word Bit and Front-Panel Correspondence to Reclosing Relay States ..................... 3.23
Table 3.6 Shot Counter Correspondence to Relay Word Bits and Open Interval Times ..................... 3.27
Table 3.7 Demand Ammeter Settings and Settings Range .................................................................. 3.43
Table 3.8 SEL-551 Front-Panel Target LED Definitions..................................................................... 3.47
Table 4.1 Serial Port SET Commands.................................................................................................... 4.1
Table 4.2 SET Command Editing Keystrokes........................................................................................ 4.2
Table 4.3 Equations Associated With U.S. Curves ................................................................................ 4.3
Table 4.4 Equations Associated With IEC Curves................................................................................. 4.3
Table 4.5 SEL-551 Relay Word Bits.................................................................................................... 4.14
Table 4.6 Relay Word Bit Definitions.................................................................................................. 4.14
Table 5.1 Serial Communications Port Pin Function Definitions .......................................................... 5.4
Table 5.2 Communications Settings....................................................................................................... 5.6
Table 5.3 Serial Port Automatic Messages ............................................................................................ 5.7
Table 5.4 Serial Port Command Summary........................................................................................... 5.10
Table 5.5 ACC and 2AC Commands ................................................................................................... 5.11
Table 5.6 SEL-551 Relay Word and Its Correspondence to TAR Command
and Front-Panel LEDs ...................................................................................................... 5.21
Table 5.7 SEL-551 Control Subcommands.......................................................................................... 5.23
Table 5.8 Valid Password Characters ................................................................................................... 5.24
Table 7.1 Event Types ............................................................................................................................ 7.4
Table 7.2 Standard Event Report Current Columns............................................................................... 7.5
Table 7.3 Other Standard Event Report Columns.................................................................................. 7.6
Table 7.4 SEL-551 Input/Output Event Report Columns ...................................................................... 7.8
Table 7.5 SER Report Row Commands and Format.............................................................................. 7.9
Table 8.1 Instantaneous Overcurrent Elements and Corresponding Settings/Relay
Word Bits/TAR Commands.............................................................................................. 8.10
Table 8.2 Inverse-Time Overcurrent Elements and Corresponding Settings/Relay
Word Bits/TAR Commands.............................................................................................. 8.12
Table 8.3 Relay Self Tests.................................................................................................................... 8.16
Table 8.4 Troubleshooting Procedures................................................................................................. 8.17
Table A.1 Firmware Revision History ................................................................................................... A.1
Table A.2 Instruction Manual Revision History .................................................................................... A.3
Table D.1 Binary Message List.............................................................................................................. D.1
Table D.2 ASCII Configuration Message List....................................................................................... D.2
Table D.3 A5C0 Relay Definition Block............................................................................................... D.2
Table D.4 A5C1 Fast Meter Configuration Block ................................................................................. D.2
Table D.5 A5D1 Fast Meter Data Block................................................................................................ D.4
Table D.6 A5C2/A5C3 Demand/Peak Demand Fast Meter Configuration Messages........................... D.4
Table D.7 A5D2/A5D3 Demand/Peak Demand Fast Meter Message ................................................... D.5
Table D.8 A5CE Fast Operate Configuration Block.............................................................................. D.6
Table D.9 A5E0 Fast Operate Remote Bit Control................................................................................ D.7
Table D.10 A5E3 Fast Operate Breaker Control ..................................................................................... D.7
Table G.1 Modbus Query Fields............................................................................................................ G.1
Table G.2 SEL-551 Modbus Function Codes ........................................................................................ G.2
Table G.3 SEL-551 Modbus Exception Codes ...................................................................................... G.2
Table G.4 01h Read Coil Status Commands.......................................................................................... G.3