Siemens 7SR12 Argus - Optional Rear EN100 Ethernet Module (COM3)

7SR11 & 7SR12 Settings & Instruments Guide
©2017 Siemens Protection Devices Limited Chapter 2 Page 17 of 20
2.1.3 Optional Rear EN100 Ethernet Module (COM3)
The optional ethernet interface is primarily provided for support of IEC 61850 protocol. Support for IEC 870-5-103
is also provided over this interface to allow connection with Reydisp Evolution and Reydisp Manager software for
interrogation, editing and download of relay settings and other data. Ordering options are available with two RJ45
electrical connectors or with two duplex LC fibre optic connectors.
Setting name Range Default Setting Notes
LAN Protocol OFF, IEC60870-5-103 IEC60870-5-103
If this setting is set to Off, access to relay data using Reydisp Evolution and Reydisp Manager software via the
Ethernet interface is not available.
Connections to the optional EN100 ethernet module are made on the rear side of the relay.
Connections are made to either RJ45 sockets (electrical) or Duplex LC (fibre optic) connectors.
LED yellow
LED green
LED yellow
LED green
Ch 1 Ch 2
Ethernet – EN100-E
EN100 Module – RJ45 Interface
Ethernet – EN100-O
Ch 1
Ch 2
EN100 Module – Duplex-LC Interface
Green LED (Physical Link)
Off – No link
On – Link present
Yellow LED (Activity)
Off – No traffic
On/flashing - Traffic
RxTx RxTx
Figure 2-3 EN100 Ethernet Module