Schweitzer Engineering Laboratories SEL-749M - Page 9

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Date Code 20080918 Instruction Manual SEL-749M Relay
List of Tables
Table 7.37 QUIT Command................................................................................................................... 7.20
Table 7.38 R_S Command (Restore Factory Defaults).......................................................................... 7.21
Table 7.39 SER Command (Sequential Events Recorder Report)......................................................... 7.21
Table 7.40 SER Command Format ........................................................................................................ 7.21
Table 7.41 SET Command (Change Settings) ....................................................................................... 7.22
Table 7.42 SET Command Format......................................................................................................... 7.22
Table 7.43 SET Command Editing Keystrokes...................................................................................... 7.22
Table 7.44 SHOW Command (Show/View Settings)............................................................................. 7.23
Table 7.45 SHOW Command Format ....................................................................................................7.23
Table 7.46 SNS Command..................................................................................................................... 7.24
Table 7.47 STATUS Command (relay self-test status) .......................................................................... 7.24
Table 7.48 STATUS Command Report and Definitions ........................................................................ 7.24
Table 7.49 STOP Command .................................................................................................................. 7.26
Table 7.50 STR Command..................................................................................................................... 7.26
Table 7.51 SUMMARY Command........................................................................................................7.26
Table 7.52 TARGET Command (Display Relay Word Bit Status) ........................................................ 7.27
Table 7.53 TARGET Command Format ................................................................................................ 7.27
Table 7.54 Front-Panel LEDs and the TAR 0 Command....................................................................... 7.27
Table 7.55 TIME Command (View/Change Time)................................................................................ 7.28
Table 7.56 TRIGGER Command (Trigger Event Report) ..................................................................... 7.28
Table 8.1 Front-Panel Automatic Messages........................................................................................... 8.2
Table 8.2 Front-Panel Pushbutton Functions ......................................................................................... 8.4
Table 8.3 Possible Warning Conditions (Flashing TRIP LED) ............................................................. 8.10
Table 9.1 Event Types ............................................................................................................................ 9.4
Table 9.2 Event Report Current and Voltage Columns .......................................................................... 9.7
Table 9.3 Output, Input, and Protection, and Control Element Event Report Columns ........................ 9.8
Table 9.4 Example SER Event Report Explanation............................................................................. 9.14
Table 10.1 Resultant Scale Factors for Inputs........................................................................................ 10.2
Table 10.2 Serial Port Commands That Clear Relay Data Buffers ........................................................ 10.6
Table 10.3 Phase Current Measuring Accuracy ..................................................................................... 10.7
Table 10.4 Current Unbalance Measuring Accuracy ............................................................................. 10.8
Table 10.5 Power Quantity Accuracy—Wye Voltages........................................................................... 10.9
Table 10.6 Power Quantity Accuracy—Delta Voltages ....................................................................... 10.10
Table 10.7 Periodic Relay Checks ....................................................................................................... 10.10
Table 10.8 Relay Self-Tests.................................................................................................................. 10.11
Table 10.9 Troubleshooting.................................................................................................................. 10.13
Table A.1 Firmware Revision History ................................................................................................... A.1
Table A.2 Instruction Manual Revision History .................................................................................... A.3
Table C.1 Supported Serial Command Sets............................................................................................C.1
Table C.2 Compressed ASCII Commands .............................................................................................C.2
Table C.3 SEL Communications Processors Protocol Interfaces ...........................................................C.4
Table C.4 SEL Communications Processor Port 1 Settings ...................................................................C.7
Table C.5 SEL Communications Processor Data Collection Automessages..........................................C.7
Table C.6 SEL Communications Processor Port 1 Automatic Messaging Settings ...............................C.8
Table C.7 SEL Communications Processor Port 1 Region Map ............................................................C.8
Table C.8 Communications Processor METER Region Map.................................................................C.8
Table C.9 Communications Processor TARGET Region .......................................................................C.9
Table D.1 Modbus Query Fields ............................................................................................................ D.1
Table D.2 SEL-749M Modbus Function Codes..................................................................................... D.2
Table D.3 SEL-749M Modbus Exception Codes................................................................................... D.2
Table D.4 03h Read Holding Register Command.................................................................................. D.3
Table D.5 Responses to 03h Read Holding Register Query Errors ....................................................... D.3
Table D.6 04h Read Input Register Command ...................................................................................... D.4
Table D.7 Responses to 04h Read Input Register Query Errors............................................................ D.4
Table D.8 06h Preset Single Register Command................................................................................... D.4
Table D.9 Responses to 06h Preset Single Register Query Errors......................................................... D.4
Table D.10 10h Preset Multiple Registers Command.............................................................................. D.5
Table D.11 10h Preset Multiple Registers Query Error Messages .......................................................... D.5
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