User Manuals: Siemens Argus 7SR21 Overcurrent Relay
Manuals and User Guides for Siemens Argus 7SR21 Overcurrent Relay. We have 6 Siemens Argus 7SR21 Overcurrent Relay manuals available for free PDF download: Technical Manual, Manual, Installation Manual
Siemens Argus 7SR21 Technical Manual (644 pages)
Overcurrent Relay
Table of Contents
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General19
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Case20
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Front Cover20
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Quick Logic79
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Maintenance91
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Data Storage93
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Metering96
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Control Mode97
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2 Menu Structure
130 -
3 Relay Settings
131-
System Config131
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Function Config132
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Cold Load135
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51Sef-1139
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Sensitive E/F139
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50Sef-1140
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51Sef-2140
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46Dt141
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46It141
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NPS Overcurrent141
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Restricted E/F141
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Under Current142
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Thermal143
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Supervision143
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CB Fail143
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CT Supervision143
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Broken Conductor144
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Inrush Detector145
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Control & Logic145
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P/F Shots146
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E/F Shots147
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Extern Shots148
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Manual Close148
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SEF Shots148
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Circuit Breaker149
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Quick Logic149
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Input Config157
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Input Matrix157
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General Alarms165
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Output Config166
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Output Matrix166
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LED Config180
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Pickup Config180
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CB Maintenance181
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CB Counters181
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I^2T CB Wear182
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Start Count182
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Data Storage182
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Demand Data/Log182
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Event Storage183
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Fault Storage183
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Waveform Storage183
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Communications184
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System Config213
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CT/VT Config214
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Function Config215
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Current Prot'n217
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Cold Load223
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Derived E/F224
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Measured E/F228
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Sensitive E/F232
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Restricted E/F236
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NPS Overcurrent236
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Under Current237
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Thermal238
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NPS Overvoltage241
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VX U/O Voltage241
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U/O Frequency242
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Supervision245
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CB Fail245
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VT Supervision245
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CT Supervision246
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Broken Conductor246
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Inrush Detector247
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Load Blinder248
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Control & Logic248
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E/F Shots250
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SEF Shots251
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Extern Shots252
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Circuit Breaker254
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Quick Logic254
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Input Config263
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Input Matrix263
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General Alarms280
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Output Config281
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Output Matrix281
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LED Config305
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Pickup Config306
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Maintenance306
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CB Counters307
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I^2T CB Wear307
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Start Count308
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Data Storage308
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General320
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CE Conformity320
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Dimensions320
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Reference320
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Weights321
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AC Current323
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AC Voltage324
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Instrumentation327
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Real Time Clock328
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General329
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Emissions330
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Immunity330
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Mechanical332
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Reference333
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Reference334
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Power335
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Reference335
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Sensitive Power336
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Reference336
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Undercurrent337
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Reference337
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Reference338
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Thermal Overload342
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Reference342
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Reference344
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Reference345
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Reference346
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Reference347
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Reference348
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Reference353
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Reference355
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Reference357
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Reference359
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Power Factor360
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Reference360
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Reference368
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Reference369
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Reference371
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Reference373
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Reference374
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Reference375
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Reference376
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Operate Level376
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Operate Angle376
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Reference377
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Operate Level377
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Operate Angle377
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Reference378
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CS/SS Timer379
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Live/Dead380
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1 Introduction
385 -
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Introduction415
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Fp_32Bits_3Dp417
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Uint16417
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Uint32417
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Event418
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Bitstring419
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Eventcount419
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Str32 & Str64419
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Time_Meter419
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Point List421
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Device Profile433
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Point List442
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Counters457
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Analog Inputs459
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6 Not Applicable
465 -
8 Serial Modems
469 -
9 Not Applicable
471 -
10 Glossary
473
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Siemens Argus 7SR21 Manual (71 pages)
Table of Contents
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Contents2
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General14
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Case14
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Front Cover15
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Siemens Argus 7SR21 Manual (15 pages)
Non-Directional. Directional. Overcurrent Relay
Table of Contents
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