1 CHAPTER OVERVIEW
This product supports Substation Automation System (SAS), and Supervisory Control and Data Acquisition (SCADA)
communication. The suppor
t embraces the evolution of communications technologies that have taken place since
microprocessor technologies were introduced into protection, control, and monitoring devices which are now
ubiquitously known as Intelligent Electronic Devices for the substation (IEDs).
As standard, all products support rugged serial communications for SCADA and SAS applications. By option, any
product can support Ethernet communications for more advanced SCADA and SAS applications.
This chapter contains the following sections:
Chapter Overview 343
Communication Interfaces 344
Serial Communication 345
Standard Ethernet Communication 348
Redundant Ethernet Communication 349
Simple Network Management Protocol (SNMP) 372
Data Protocols 379
Read Only Mode 408
Time Synchronisation 410
P54A/B/C/E Chapter 17 - Communications
P54xMED-TM-EN-1 343
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