Schweitzer Engineering Laboratories SEL-387E - SECTION 2: INSTALLATION

Date Code 20080110 Installation i
SEL-387E Instruction Manual
TABLE OF CONTENTS
SECTION 2: INSTALLATION ..............................................................2-1
Relay Mounting ............................................................................................................................2-1
Rack Mount...........................................................................................................................2-1
Panel Mount..........................................................................................................................2-1
Dimensions and Cutout.........................................................................................................2-2
Rear-Panel Connections................................................................................................................2-5
Terminal Block .....................................................................................................................2-5
Connectorized .......................................................................................................................2-5
Prewired Connectors ...................................................................................................2-10
Unwired Connectors ...................................................................................................2-10
Connections.........................................................................................................................2-10
Frame Ground .............................................................................................................2-10
Power Supply ..............................................................................................................2-11
Current Transformer Inputs ........................................................................................2-11
Potential Transformer Inputs ......................................................................................2-11
Optoisolated Inputs .....................................................................................................2-11
Output Contacts...........................................................................................................2-12
Communications Port..................................................................................................2-12
Clock Synchronization, IRIG-B..................................................................................2-13
Typical AC/DC Connection Diagrams.......................................................................................2-13
Circuit Board Configuration.......................................................................................................2-16
Accessing the Relay Circuit Boards ...................................................................................2-16
Main Board .........................................................................................................................2-17
Output Contact Jumpers..............................................................................................2-17
Second ALARM Contact Jumper ...............................................................................2-17
Password and Breaker Jumpers...................................................................................2-18
EIA-232 Serial Port Jumpers ......................................................................................2-18
Condition of Acceptability for North American Product Safety
Compliance..................................................................................................
2-19
Other Jumpers .............................................................................................................2-19
Low-Level Analog Interface.......................................................................................2-19
Clock Battery ..............................................................................................................2-19
Additional Interface Board .................................................................................................2-20
Jumpers .......................................................................................................................2-20
Board Layout...............................................................................................................2-20
TABLES
Table 2.1: SEL-387E Relay Communication Cable Numbers ...............................................................2-13
Table 2.2: SEL-387E Relay Second ALARM Contact Jumper Position ...............................................2-18