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1.2
SEL-787 Relay
Instruction Manual
Date Code 20081022
Introduction and Specifications
Models, Options, and Accessories
➤
RTD-Based Protection: As many as ten (10) RTDs may be
monitored when an internal RTD card is used, or as many as
twelve (12) when an external SEL-2600 series RTD Module is
used. There are separate Trip and Warn settings for each RTD.
Monitoring Features
➤
Event Summaries that contain relay ID, date and time, trip
cause, and current/voltage magnitudes
➤
Event Reports including filtered and raw analog data
➤
Sequential Events Record (SER)
➤
Compatibility with SEL-3010 Event Messenger
➤
Transformer Through-Fault Event Monitor
➤
A complete suite of accurate metering functions
Communications and
Control
➤
EIA-232, front-panel port
➤
EIA-232, EIA-485, Ethernet (single/dual copper or fiber-optic),
and fiber-optic rear-panel ports
➤
IRIG-B time-code input
➤
Modbus
®
RTU slave, Modbus TCP/IP, DNP3 serial or LAN/
WAN, Ethernet FTP, Telnet, M
IRRORED
B
ITS®
, IEC 61850,
DeviceNet
TM
, File Transfer Protocols, and Synchrophasors
with C37.118 Protocol
➤
SEL ASCII, Compressed ASCII, Fast Meter, Fast Operate, Fast
SER, Fast Message Protocols, and Event Messenger Protocol
➤
Programmable Boolean and math operators, logic functions,
and analog compare
Models, Options, and Accessories
Models
Complete ordering information is not provided in this instruction manual.
See the latest SEL-787 Model Option Table at
, under SEL
Literature, Ordering Information (Model Option Tables). Options and
accessories are listed below.
SEL-787 Base Unit
➤
Front panel with large LCD display
➢
4 programmable pushbuttons with 8 LEDs
➢
8 target LEDs (6 programmable)
➢
Operator control interface
➢
EIA-232 port
➤
Processor and communications card (Slot
B
)
➢
EIA-232 serial port with IRIG-B time code input
➢
Multimode (ST
®
) fiber-optic serial port
➢
EIA-485 serial port with external IRIG-B time code
input (terminals
B01
,
B02
)
Содержание SEL-787
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