ABB SACE PR010/T - PR12 x Series Histories and Statistics; Trip History Details; Event Logging; Statistical Data Analysis

ABB SACE ABB SACE PR010/T RH0029002 L4408 19/29
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3.5 Histories
Certain signals can be displayed for each relay, such as the history of the openings caused by the
tripped protection, of the events, as well as certain statistical information about the relay
openings.
3.5.1 Trips
The information recorded for each Trip is displayed on two screen pages. All the trips can be
consulted by scrolling the screen pages with the
 and  keys.
Each trip has a progressive number and contains information about the protection that caused it,
the date and time of the trip (with reference to the relay's internal clock), the contact wear status
(CW) and the trip currents recorded.
3.5.2 Events
Each Event recorded includes a description, and the date and time at which it was recorded.
Events are displayed on two screen pages. The complete list of events can be consulted by
scrolling the screen pages with the
 and  keys.
3.5.3 Statistics
The statistics refer to: Contact Wear, Protection trip operations, Total operations, Manual
operations, Failed trips, Trip Test trips.
Relays PR121/P and PR331/P do not store the number of Total Operations.
PR121/P (1) PR122/P PR123/P PR331/P
(1)
PR332/P PR333/P PR232/P PR122DC PR123DC
HISTORIES
Trips
(2)
XXXXXXXXX
Events
(3)
XXXXXX XX
Statistics
(4)
XXXXXX XX
NOTES
1
Do not store the number of total operations
2
Only the real trips are stored: the ones simulated during the test are not considered
3
Signals recorded only with Vaux or front battery units installed (with the exception of Contact Wear,
which is also controlled with self-powered relays)
RH0029002.book Page 19 Thursday, May 5, 2011 12:14 PM