Schweitzer Engineering Laboratories SEL-321 - Section 3: Communications

Date Code 20011026 Communications i
SEL-321/321-1 Instruction Manual
TABLE OF CONTENTS
SECTION 3: COMMUNICATIONS .......................................................... 3-1
Introduction...................................................................................................................................3-1
Communications Protocol.............................................................................................................3-1
Software Protocol..................................................................................................................3-1
Additional Software Protocol (SEL-321-1 Relay Only) .......................................................3-2
Hardware Protocol ................................................................................................................3-3
Alarm Conditions..................................................................................................................3-3
Main Board Jumpers .............................................................................................................3-3
Automatic Messages .............................................................................................................3-4
Command Characteristics .............................................................................................................3-4
Changing Access Levels .......................................................................................................3-6
Command Format .................................................................................................................3-6
Description of Commands ............................................................................................................3-6
2ACCESS..............................................................................................................................3-6
ACCESS................................................................................................................................3-7
BREAKER............................................................................................................................3-7
CLOSE..................................................................................................................................3-7
COMM..................................................................................................................................3-8
CONTROL n (SEL-321-1 Relay Only) ................................................................................3-9
COPY m n...........................................................................................................................3-10
DATE..................................................................................................................................3-10
EVENT................................................................................................................................3-11
GROUP ...............................................................................................................................3-11
HISTORY ...........................................................................................................................3-12
IRIG ....................................................................................................................................3-13
LOOP .................................................................................................................................. 3-14
METER ...............................................................................................................................3-15
OPEN .................................................................................................................................. 3-15
PASSWORD.......................................................................................................................3-16
PULSE n t (SEL-321-1 Relay Only)...................................................................................3-17
QUIT ...................................................................................................................................3-17
RDMEM m (SEL-321-1 Relay Only).................................................................................3-17
SET Commands .................................................................................................................. 3-17
SET n ..................................................................................................................................3-19
SHOWSET..........................................................................................................................3-22
SET G..................................................................................................................................3-23
SHOWSET G......................................................................................................................3-24
SET L ..................................................................................................................................3-24
SHOWSET L ......................................................................................................................3-27
SET P ..................................................................................................................................3-28
SHOWSET P.......................................................................................................................3-29
STATUS..............................................................................................................................3-30
TARGET.............................................................................................................................3-32
TIME...................................................................................................................................3-33
TRIGGER ...........................................................................................................................3-33
Front-Panel Operation.................................................................................................................3-34
LCD Functions and Front-Panel Commands ..............................................................................3-34