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 BITS
®
, 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 www.selinc.com, 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)
To Next Page
Loading...
