Section 7: Feature Information; Event Recording Information - GE Multilin 565 Instruction Manual

Event Recording Information

Event recording is a feature of the 565 feeder relays. Data
relating to one or more "events" is saved in memory and can
be viewed by the operator through the front panel display or
the rear RS232 printer port.
In order to use the Event Recording feature, the function
must be enabled. In Setpoint mode, the lines of the Configu-
ration page allow users to enable the Event Recording and
Event Printing features.
(1.0) "Event" Definition
An "event" is defined as:
a) occurance of any set trip conditions,
b) occurance or disappearance of any set alarm condi-
tion, or
c) occurance of other extraordinary event (eg. install/
removal of access jumper, enable/disable curve ad-
justment ...etc).
(1.1) Trip Event
Currently available trip events:
a) any of the 4 timed overcurrent trips,
b) any of the 4 instantaneous overcurrent trips,
c) overvoltage or undervoltage trip,
d) analog input trip,
e) any of 4 external trips,
f) power factor, and frequency trip (with Option Card).
(1.2) Alarm Event
Currently available alarm events:
a) any of the 2 overcurrent alarms,
b) overvoltage alarm,
c) undervoltage alarm,
d) analog input alarm,
e) accumulated KA2 alarm,
f) definite time alarms (or switch alarms),
g) amps demand metering
h) kW, and kVAR demand alarms (with Option Card),
i) power factor and frequency alarms (with Option Card),
j) breaker discrepancy and trip coil supervision alarms
(with Option Card),
k) MTM communications alarm (with Option Card).
(1.3) "Others" Event
Currently available "others" events:
a) installation/removal of the access jumper,
FEATURE INFORMATION
b) enable/disable of block instantaneous trip,
c) enable/disable of block non-instantaneous trip,
d) enable/disable of overcurrent curve adjustment,
e) illegal access to setpoint,
f) disappearance of alarm conditions,
g) system manual reset,
h) local/remote mode switch.
(2.0) Event Storage
All events will be stored in a memory buffer of the 565
unit, and up to 40 events will accumulated. The buffer is
operated in First-In-First-Out (FIFO) mode. If the buffer is full
with 40 stored events, then as each new event occurs the
oldest will be lost.
(2.1) Event Format
Each event is characterized by cause, time and date,
and the magnitude of several measured feeder parameters,
which are pertinent to the event, at the time of occurance.
The parameters which will be saved are:
a) the cause of the event;
b) the time and date of the event;
c) each of the 4 RMS currents if it was a trip or alarm
event, with the exception of Analog Input Trip, Analog
Input Alarm and Accumulated KA2 Alarm events;
and
d) each of the 3 RMS phase (or line) voltages if it was a
trip or an alarm event, with the exception of Analog
Input Trip, Analog Input Alarm and Accumulated KA2
Alarm.
(3.0) Event Display Format
To view all the recorded events, users must enter the
Actual Value mode, and select the "Event" page.
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