Schweitzer Engineering Laboratories SEL-352-1 - SECTION 8: SERIAL PORT COMMUNICATIONS AND COMMANDS

Date Code 20010731 Serial Port Communications and Commands i
SEL-352-1, -2 Instruction Manual
TABLE OF CONTENTS
SECTION 8: SERIAL PORT COMMUNICATIONS AND
COMMANDS ................................................................. 8-1
Introduction .................................................................................................................................. 8-1
Establish Communication ............................................................................................................ 8-1
Software................................................................................................................................ 8-1
Cables ................................................................................................................................... 8-1
SEL-352 Relay to Computer ........................................................................................ 8-4
SEL-352 Relay to Modem ............................................................................................ 8-4
SEL-352 Relay to SEL-2020 or SEL-2030 .................................................................. 8-5
Communications Protocol ............................................................................................................ 8-6
Hardware Protocol................................................................................................................ 8-6
Software Protocol ................................................................................................................. 8-7
SEL ASCII.................................................................................................................... 8-7
SEL Distributed Port Switch Protocol.......................................................................... 8-8
SEL Distributed Network Protocol (SEL-352-2 Relay Only)...................................... 8-8
SEL Fast Meter Protocol .............................................................................................. 8-8
SEL Fast Operate Protocol .......................................................................................... 8-8
SEL Compressed ASCII Protocol ................................................................................ 8-8
SEL ASCII Protocol Details......................................................................................................... 8-9
Automatic Messages............................................................................................................. 8-9
Startup Message............................................................................................................ 8-9
Group Switch Message ................................................................................................. 8-9
Status Report................................................................................................................. 8-9
Summary Event Report............................................................................................... 8-10
Access Levels ..................................................................................................................... 8-10
Access Level 0............................................................................................................ 8-11
Access Level 1............................................................................................................ 8-11
Access Level B (Breaker Level)................................................................................. 8-11
Access Level 2............................................................................................................ 8-12
Command Definitions ........................................................................................................ 8-13
2AC (Access Level 2)................................................................................................. 8-13
ACC (Access Level 1) ................................................................................................ 8-13
BAC (Breaker Access Level) ..................................................................................... 8-14
BRE (Breaker Report) ................................................................................................ 8-14
BRE C (Clear Breaker Report) ................................................................................... 8-15
BRE S (Breaker Report Summary)............................................................................. 8-15
BRE W (Preload Breaker Wear Data) (SEL-352-2 Relay) ........................................ 8-16
CAL (Calibration Access Level) ................................................................................ 8-17
CEVE (Compressed Event) ........................................................................................ 8-17
CLO (Close)................................................................................................................ 8-17
CON n (Control RBn)................................................................................................. 8-18
COP m n (Copy Settings) ........................................................................................... 8-18
DAT (Date) ................................................................................................................. 8-19
EVE (Event Reports) .................................................................................................. 8-19