Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Installation Guide
©2017 Siemens Protection Devices Limited Chapter 5 Page 29 of 32
6.2 Additional (Optional) Ethernet Connection for IEC 61850
Rear Ethernet Comms port Ch 1 and Ch 2 comprises Duplex LC 100BaseF in acc. With IEEE802.3 Fibre–
Optic or RJ45 100BaseT in acc. With IEEE802.3 electrical connectors.
When installing fibre, ensure that the fibres’ bend radii comply with the recommended minimum for the fibre used-
typically 50 mm is acceptable, 62.5/125 µm glass fibre with Duplex-LC connector recommended for all distances.
To
Control
System
Switch
Ch n
Ch 2
Ch 1
62.5/125 µm fibre optic
with Duplex LC
connectors or RJ45
electrical connectors
Ch 2
Ch 1
Ch 1
Ch 3
Ch 2
Ch 1
Input
Ch 2
Figure: 6.2-1 Ethernet connection for IEC 61850 (star connection)
Switch
Ch n
Ch 2
Ch 1
Ch 2
Ch 1
Ch 1
Ch 3
Ch 2
Ch 1
Input
To
Control
System
Ch 2
62.5/125 µm fibre optic
with Duplex LC
connectors or RJ45
electrical connectors
Figure: 6.2-2 Ethernet connection for IEC 61850 (ring connection)

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English