Schweitzer Engineering Laboratories SEL-387E - Page 195

Date Code 20080110 Metering and Monitoring 5-23
SEL-387E Instruction Manual
Self-Test Condition Limit Protection
Disabled
ALARM
Output
Description
A/D Failure Yes Latched Validates proper
number of
conversions each
processing interval.
CR_RAM Failure checksum Yes Latched Periodically
performs a
checksum test on the
active copy of the
relay settings.
EEPROM Failure checksum Yes Latched Periodically
performs checksum
test on the
nonvolatile copy of
the relay settings.
I/O Board Failure No Verifies correct I/O
board is installed.
Identifies when a
board is changed or
disconnected.
CC RAM Failure No Pulsed Periodically
performs a
read/write test at
each RAM location.
CC ROM Failure No Pulsed Periodically
performs a program
comparison with
RAM.
PORT 5 Link
No Link
Link established on
Ethernet port.
No link established
on Ethernet port.
PORT 6 Link
No Link
Link established on
Ethernet port.
No link established
on Ethernet port.
FPGA Failure No Pulsed Ensures FPGA
configures properly.