7SR210 & 7SR220 Installation Guide
List of Figures
Figure 3.1-1 Overall Dimensions (mm) and panel Drilling for Size E6 Epsilon case
(Typically 4.2 kg)..................................................................................................................7
Figure 3.1-2 Overall Dimensions (mm) and Panel Drilling for Size E8 Epsilon Case
(Typically 5.3 kg)..................................................................................................................7
Figure 4.1-1 E6 Standard Comms (USB Front Port, Rear RS485) (See Note 2) ....................................9
Figure 4.1-2 E6 Standard + Additional Comms (IRIG-B, 2 x F.O. (ST Connectors))...............................9
Figure 4.1-3 E6 Standard + Additional Comms (IRIG B + RS485) (See Note 2)...................................10
Figure 4.1-4 E6 Standard + Additional Comms (IRIG B + RS232) ........................................................10
Figure 4.2-1 E8 Standard Comms (USB Front Port, Rear RS485) (See Note 2) ..................................11
Figure 4.2-2 E8 Standard + Additional Comms (IRIG B, 2 x F.O. (ST Connectors)).............................11
Figure 4.3-1 E8 Standard + Additional Comms (IRIG B + RS485) (See Note 2)...................................12
Figure 4.3-2 E8 Standard + Additional Comms (IRIG B + RS232) ........................................................12
Figure 5.1-1 Connection Diagram for 7SR21 Relay...............................................................................13
Figure 5.2-1 Connection Diagram for 7SR22 Relay...............................................................................14
Figure 6.1-1 RS485 Data Comms Connections Between Relays..........................................................15
Figure 6.3-1 Data Comms to Multiple Devices Using 7SG24 and F.O. Star Network ...........................16
Figure 6.3-2 Data Comms to Multiple Devices Using 7SG24 and F.O. Ring Network ..........................16
Figure 6.4-1 RS485 Data Comms Connections Between Relays..........................................................17
Figure 6.5-1 RS232 Data Comms Pin Connections...............................................................................17
Figure 6.5-1 Ethernet connection for IEC 61850 (star connection)........................................................18
Figure 6.5-1 Ethernet connection for IEC 61850 (ring connection)........................................................18
Figure 7.1-1 7SR22 Applied to Transformer Incomer ............................................................................19
Figure 7.2-1 7SR22 Applied to Transformer Incomer Including HV NVD Protection.............................20
Figure 7.3-1 7SR22 Applied to Feeder Including NVD Protection .........................................................21
Figure 7.4-1 7SR22 Applied to Feeder...................................................................................................22
Figure 7.5-1 7SR22 Applied to Feeder - No Zero Sequence Voltage Source .......................................23
Figure 7.6-1 7SR22 Applied to Feeder with Capacitor Cones Fitted .....................................................24
Page 4 of 24 ©2011 Siemens Protection Devices Limited
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