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Status
INTERLOCKING-1
INTERLOCKING-2
SUCCESSIVE
OPERATIONS
MAXIMUM TAP
MINIMUM TAP
REGULATOR ALARM
IRREGULAR CHANGE
EXCESSIVE OP.
LOCAL CONNECT
DATE/TIME
COMM E2PROM
COMM SETTINGS
PROTECTION LINK
IRIG-B LINK
DATE AND TIME
78
9. KEYPAD AND DISPLAY
Description
Interlocking-1 input activation
Interlocking-2 input activation
Successive operations number detection
Monitors if the maximum tap has been
reached.
Monitors if the minimum tap has been
reached
Alarm input activation
Detection of irregularities in the change
Monitors if there has been an excessive
number of tap-up/tap-down operations.
Monitors
local/remote
Monitors whether the relay date/time is
reliable
Informs
of
communications EEPROM
Shows whether the communication settings
are the default or the user's.
Monitors the communication between the
protection CPU and the communications
CPU
Monitors the reception of the IRIG-B satellite
synchronization signal
Displays the relay date/time
DTR Digital Tap Changer Controller
whether
the
connection
a
detected
error
is
in
the
GE—106305A
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