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I.L. 40-385.5
potential, and loss-of-current can also be monitored.
Select the "VOLT/AMPS/ANGLE" function using the
"DISPLAY SELECT" pushbutton. Scroll through the
metered data using the RAISE and LOWER FUNC-
TION pushbuttons. Upon initialization the display is
set to show the IA current.
The phase rotation ABC or ACB is also displayed on
the monitoring mode depends on the setting of the
jumper JMP3 on processor module. This feature is
not included in Version 2.6x.
7.2.4
Displaying Fault Records
The last two sets of fault data are available for dis-
play. "LAST FAULT" is the data associated with the
most recent trip event. "PREVIOUS FAULT" is the
data from the prior trip event. Select the desired set
of target data using the "DISPLAY SELECT" push-
button. Scroll through the fault data using the RAISE
and LOWER FUNCTION pushbuttons. (Refer to
Chapter XI for more detail)
7.2.5
Display Test Mode Functions
The test display mode provides diagnostic and test-
7-2
ing capabilities for MDAR (REL-300). Information of
relay status, A/D calibration, testing of the carrier
send and receive functions for the pilot systems, and
trip relay test are among the functions provided. To
access the test function, the "DISPLAY SELECT"
pushbutton should be depressed until the "TEST"
LED is illuminated. The RAISE and LOWER FUNC-
TION pushbuttons are depressed to scroll through
the desired function. The required information will
display in the VALUE field. Contact output test can
only be performed when jumper JMP5 on the micro-
processor module is in. (Refer to chapter VIII. Self-
checking and Functional test" for more detail informa-
tion).
7.2.6
16 Fault Records and Intermediate
Targets.
Refer to chapter 11 for detail.
7.2.7
16 Oscillographic Records
Refer to chapter 11 for detail.
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