Siemens Argus 7SR21 Technical Manual

Also see for Argus 7SR21: Installation guide Manual Manual Manual Manual

Contents

7SR210 & 7SR220 Installation GuideUnrestricted ©2018 Siemens Protection Devices Limited Page 3 of 36Table of ContentsDocument Release History ............................................................................................................... 2Software Revision History ................................................................................................................ 2Section 1: Installation ....................................................................................................................... 51.1 Unpacking, Storage and Handling ........................................................................................ 51.2 Recommended Mounting Position ........................................................................................ 51.3 Wiring .................................................................................................................................. 51.4 Earthing ............................................................................................................................... 51.5 Ancillary Equipment.............................................................................................................. 5Section 2: Equipment Operating Conditions ................................................................................... 62.1 Current Transformer Circuits ................................................................................................ 62.2 External Resistors ................................................................................................................ 62.3 Fibre Optic Communication .................................................................................................. 62.4 Front Cover .......................................................................................................................... 62.5 Disposal ............................................................................................................................... 62.5.1 Environmental Protection Hints ................................................................................ 6Section 3: Dimensions and Panel Fixings ....................................................................................... 83.1 Relay Dimensions and Weight .............................................................................................. 83.2 Fixings ............................................................................................................................... 113.2.1 Crimps ................................................................................................................... 113.2.2 Panel Fixings ......................................................................................................... 113.2.3 Fibre Optic Connectors .......................................................................................... 113.2.4 Connectors Ethernet Option ................................................................................... 11Section 4: Rear Terminal Drawings................................................................................................ 124.1 E6 Case ............................................................................................................................. 124.2 E8 Case ............................................................................................................................. 144.3 E12 Case ........................................................................................................................... 16Section 5: Connection/Wiring/Diagrams ........................................................................................ 195.1 Wiring Diagram: 7SR21 OC/EF Relay ................................................................................ 195.2 Wiring Diagram: 7SR22 Directional OC/EF Relay ............................................................... 20Section 6: Data Comms Connections ............................................................................................ 216.1 Standard RS485 Connections ............................................................................................ 216.2 IRIG-B Connections ........................................................................................................... 216.3 Additional (Optional) Fibre Optic Connections..................................................................... 226.4 Additional (Optional) RS485 Connections ........................................................................... 236.5 Additional (Optional) RS232 Connections ........................................................................... 236.6 Additional (Optional) Ethernet Connection for IEC 61850 .................................................... 246.7 Ethernet Network Redundancy IEC 61850.......................................................................... 256.7.1 RSTP – Rapid Spanning Tree Protocol .................................................................. 266.7.2 PRP – Parallel Redundancy Protocol ..................................................................... 266.7.3 HSR – High Availability Seamless Redundancy Protocol ........................................ 28Section 7: Connection Diagrams.................................................................................................... 297.1 Typical Connection: 7SR22 Directional OC/EF and REF..................................................... 297.2 Typical Connection: 7SR22 Directional OC/EF and NVD .................................................... 307.3 Typical Connection: 7SR22 Directional OC/EF and NVD .................................................... 317.4 Typical Connection: 7SR22 Directional OC/EF and NVD .................................................... 327.5 Typical Connection: 7SR22 Directional OC and EF ............................................................ 337.6 Typical Connection: 7SR22 Connected to VTs and Capacitor Cone Unit ............................ 34