Table Of Contents; Contents - Siemens Argus 7SR21 Installation Manual

Contents

Document Release History....................................................................................................................1
Software Revision History.....................................................................................................................1
Contents ..................................................................................................................................................2
List of Figures.........................................................................................................................................3
Section 1: Installation ............................................................................................................................4
1.1 Unpacking, Storage and Handling ............................................................................................4
1.2 Recommended Mounting Position............................................................................................4
1.3 Wiring ........................................................................................................................................4
1.4 Earthing.....................................................................................................................................4
1.5 Ancillary Equipment ..................................................................................................................4
Section 2: Equipment Operating Conditions.......................................................................................5
2.1 Current Transformer Circuits ....................................................................................................5
2.2 External Resistors.....................................................................................................................5
2.3 Fibre Optic Communication ......................................................................................................5
2.4 Front Cover ...............................................................................................................................5
Section 3: Dimensions and Panel Fixings ...........................................................................................6
3.1 Relay Dimensions and Weight..................................................................................................6
3.2 Fixings.......................................................................................................................................7
3.2.1 Crimps ..........................................................................................................................7
3.2.2 Panel Fixings................................................................................................................7
3.2.3 Fibre Optic Connectors ................................................................................................7
Section 4: Rear Terminal Drawings ......................................................................................................8
4.1 E6 Case ....................................................................................................................................8
4.2 E8 Case ..................................................................................................................................10
4.3 E8 Case ..................................................................................................................................11
Section 5: Connection/Wiring/Diagrams............................................................................................12
5.1 Wiring Diagram: 7SR21 OC/EF Relay....................................................................................12
5.2 Wiring Diagram: 7SR22 Directional OC/EF Relay..................................................................13
Section 6: Data Comms Connections ................................................................................................14
6.1 Standard RS485 Connections ................................................................................................14
6.2 IRIG-B Connections ................................................................................................................14
6.3 Additional (Optional) Fibre Optic Connections........................................................................15
6.4 Additional (Optional) RS485 Connections ..............................................................................16
6.5 Additional (Optional) RS232 Connections ..............................................................................16
Section 7: Connection Diagrams ........................................................................................................17
7.1 Typical Connection: 7SR22 Directional OC/EF and REF.......................................................17
7.2 Typical Connection: 7SR22 Directional OC/EF and NVD ......................................................18
7.3 Typical Connection: 7SR22 Directional OC/EF and NVD ......................................................19
7.4 Typical Connection: 7SR22 Directional OC/EF and NVD ......................................................20
7.5 Typical Connection: 7SR22 Directional OC and EF ...............................................................21
7.6 Typical Connection: 7SR22 Connected to VTs and Capacitor Cone Unit..............................22
©2010 Siemens Protection Devices Limited
7SR21 & 7SR22 Argus Installation Guide
Chapter 5 Page 2 of 22