Siemens Argus 7SR21 - Page 384

7SR220 Technical Manual
Chapter 4 - Page 4 of 96 © 2017 Siemens Protection Devices Limited
7. IEC61850 Protocol Support .................................................................................... 87
7.1 Introduction ...................................................................................................................................... 87
8. Serial Modems ........................................................................................................ 89
8.1 Introduction ...................................................................................................................................... 89
8.2 Connecting a Modem to the Relay(s) ............................................................................................... 89
8.3 Setting the Remote Modem .............................................................................................................. 89
8.4 Connecting to the Remote Modem ................................................................................................... 89
9. Not Applicable ........................................................................................................ 91
10. Glossary ................................................................................................................ 93
Appendix 1 .................................................................................................................. 95
List of Figures
Fig. 2-1 Communication to Front USB Port ......................................................................................................... 8
Fig. 2-2 Communication to Multiple Devices using RS485 (Standard Port) ......................................................... 10
Fig. 2-3 Communication to Multiple Devices using Fibre-optic Ring Network....................................................... 13
Fig. 2-4 Communication to Multiple Devices from Control System and Laptop using Fibre-optic Star Network ...... 13
Fig. 2-5 Additional (Optional) Rear RS485 + IRIG-B Connection to a PC ........................................................... 14
Fig. 2-6 Additional (Optional) Rear RS232 + IRIG-B Connection to a PC ........................................................... 15
Fig. 2-7 RS232 Data Comms Pin Connections .................................................................................................. 15
Fig. 2-8 EN100 Ethernet Module ....................................................................................................................... 17
Fig. A1 Operating Mode Table .......................................................................................................................... 95