Date Code 20170814
Instruction Manual
SEL-700G Relay
Section 5
Metering and Monitoring
Instruction Manual
Overview
The SEL-700G Relay includes metering functions to display the present
values of current, voltage (if included), analog inputs (if included), field
insulation resistance (with external SEL-2664 Field Ground Module), and
RTD measurements (with the external SEL-2600 RTD Module or an internal
RTD card). The relay provides the following methods to read the present
meter values:
➤
Front-panel rotating display
➤
Front-panel menu
➤
EIA-232 serial ports (using SEL ASCII text commands or
AC
SEL
ERATOR
QuickSet SEL-5030 Software)
➤
Telnet via Ethernet port
➤
Modbus via EIA-485 port or EIA-232 port
➤
Modbus
TCP via Ethernet port
➤
DNP3 Serial via EIA-232 port or EIA-485 port
➤
DNP3 LAN/WAN via Ethernet port
➤
DeviceNet port
➤
Analog outputs
➤
IEC 61850 via Ethernet port
➤
C37.118 Synchrophasor Protocol via serial port
Load monitoring and trending are possible through use of the Load Profile
function. The relay automatically configures itself to save as many as 17
quantities (selected from the Analog Quantities) every 5, 10, 15, 30, or 60
minutes. The data are stored in nonvolatile memory. As many as 9800 time
samples are stored.
The Breaker Monitor feature is available in all SEL-700G relays. Refer to
Breaker Monitor on page 5.15 for description and application details.
Summary of Contents for SEL-700G Series
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