Siemens 7SR210 - Figure 4.1-3 E6 Standard + Additional Comms (IRIG B + RS485) (See Note 2); Figure 4.1-4 E6 Standard + Additional Comms (IRIG B + RS232)

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7SR21 & 7SR22 - Installation Guide

Figure 4.1-3 E6 Standard + Additional Comms (IRIG B + RS485) (See Note 2)

Figure 4.1-4 E6 Standard + Additional Comms (IRIG B + RS232)

Main Page

Document Release History2
Table of Contents3
List of Figures4
Section 1: Installation5
Unpacking, Storage and Handling5
Recommended Mounting Position5
Wiring5
Earthing5
Ancillary Equipment5
Section 2: Equipment Operating Conditions6
Current Transformer Circuits6
External Resistors6
Fibre Optic Communication6
Front Cover6
Section 3: Dimensions and Panel Fixings7
Relay Dimensions and Weight7
Figure 3.1-1 Overall Dimensions (MM) and Panel Drilling for Size E6 Epsilon Case7
Figure 3.1-2 Overall Dimensions (MM) and Panel Drilling for Size E8 Epsilon Case7
Fixings8
3.2.1 Crimps8
3.2.2 Panel Fixings8
Fibre Optic Connectors8
Section 4: Rear Terminal Drawings9
E6 Case9
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
E8 Case11
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
Section 5: Connection/Wiring/Diagrams13
Wiring Diagram: 7SR21 OC/EF Relay13
Figure 5.1-1 Connection Diagram for 7SR21 Relay13
Wiring Diagram: 7SR22 Directional OC/EF Relay14
Figure 5.2-1 Connection Diagram for 7SR22 Relay14
Section 6: Data Comms Connections15
Standard RS485 Connections15
IRIG-B Connections15
Figure 6.1-1 RS485 Data Comms Connections between Relays15
Additional (Optional) Fibre Optic Connections16
Figure 6.3-1 Data Comms to Multiple Devices Using 7SG24 and F.O. Star Network16
Figure 6.3-2 Data Comms to Multiple Devices Using 7SG24 and F.O. Ring Network16
Additional (Optional) RS485 Connections17
Additional (Optional) RS232 Connections17
Figure 6.4-1 RS485 Data Comms Connections between Relays17
Figure 6.5-1 RS232 Data Comms Pin Connections17
Additional (Optional) Ethernet Connection for IEC 6185018
Figure 6.5-1 Ethernet Connection for IEC 61850 (Star Connection)18
Figure 6.5-1 Ethernet Connection for IEC 61850 (Ring Connection)18
Section 7: Connection Diagrams19
Typical Connection: 7SR22 Directional OC/EF and REF19
Figure 7.1-1 7SR22 Applied to Transformer Incomer19
Typical Connection: 7SR22 Directional OC/EF and NVD20
Figure 7.2-1 7SR22 Applied to Transformer Incomer Including HV NVD Protection20
Typical Connection: 7SR22 Directional OC/EF and NVD21
Figure 7.3-1 7SR22 Applied to Feeder Including NVD Protection21
Typical Connection: 7SR22 Directional OC/EF and NVD22
Figure 7.4-1 7SR22 Applied to Feeder22
Typical Connection: 7SR22 Directional OC and EF23
Figure 7.5-1 7SR22 Applied to Feeder - no Zero Sequence Voltage Source23
Typical Connection: 7SR22 Connected to Vts and Capacitor Cone Unit24
Figure 7.6-1 7SR22 Applied to Feeder with Capacitor Cones Fitted24

Siemens 7SR210 - Figure 4.1-3 E6 Standard + Additional Comms (IRIG B + RS485) (See Note 2); Figure 4.1-4 E6 Standard + Additional Comms (IRIG B + RS232)

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