Schweitzer Engineering Laboratories SEL-387E - SECTION 7: COMMUNICATIONS

Date Code 20080110 Communications i
SEL-387E Instruction Manual
TABLE OF CONTENTS
SECTION 7: COMMUNICATIONS........................................................ 7-1
Overview.......................................................................................................................................7-1
Ethernet Interfaces........................................................................................................................7-1
Physical Layer Options.........................................................................................................7-1
Indicators ..............................................................................................................................7-1
Cables....................................................................................................................................7-1
Serial Port Interfaces ....................................................................................................................7-2
Terminal Software ................................................................................................................7-2
Communications Devices .....................................................................................................7-2
Physical Layer.......................................................................................................................7-3
IRIG-B...........................................................................................................................7-5
Port Identification .................................................................................................................7-6
Cables....................................................................................................................................7-6
SEL-387E Relay to Computer ......................................................................................7-6
SEL-387E Relay to Modem..........................................................................................7-7
SEL-387E Relay to an SEL Communications Processor .............................................7-8
Communications Protocols...........................................................................................................7-8
Serial Port Protocols .............................................................................................................7-9
SEL ...............................................................................................................................7-9
SEL Distributed Port Switch Protocol (LMD)..............................................................7-9
DNP3.............................................................................................................................7-9
Ethernet Protocols.................................................................................................................7-9
FTP Server ....................................................................................................................7-9
Telnet Server ...............................................................................................................7-10
Ping Server..................................................................................................................7-10
IEC 61850 ...................................................................................................................7-10
General Protocols................................................................................................................7-10
SEL ASCII Protocol....................................................................................................7-10
SEL Compressed ASCII Protocol...............................................................................7-11
SEL Fast Meter Protocol ............................................................................................7-11
SEL Fast Operate Protocol.........................................................................................7-11
SEL Fast SER Protocol ...............................................................................................7-11
SEL ASCII Protocol Details.......................................................................................................7-11
Automatic Messages ...........................................................................................................7-12
Relay Startup Message................................................................................................7-12
Setting Group Change Message..................................................................................7-12
Relay Self-Test Warning or Failure............................................................................7-13
Event Summary Message............................................................................................7-13
Access Levels......................................................................................................................7-14
Access Level 0 ............................................................................................................7-14
Access Level 1 ............................................................................................................7-15
Access Level B (Breaker Level) .................................................................................7-15
Access Level 2 ............................................................................................................7-15
Command Summary ...........................................................................................................7-16
Relay Command Explanations............................................................................................7-17