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In any case, functionality the relay way modified the presence the wear messages.
The prealarm message (wear 80%, "warning" LED lighting up) indicates that the wear has reached highvalue.1 Test Menu table
Parameter Function Values Notes
CB status Open/Closed/Indefinite Indefinite case fault only
Auto Test Display test
T rip est Enabled/Disabled
P -M
M le
State springs
Position CB
Open CB
Close CB
Loaded/Unloaded
Isolated/Withdrawn
PR120/K
M odule
Input
Auto Test
ON
Zone
selectivity
Protection S/DFW
(status) Input
Force Output
Release Output
Protection DBW
(status) Input
Force Output
Release Output
ON/OFF
ON/OFF
1 tio enu
The Information Menu enables you view the data relating the protection unit and the type circuit-breaker.
The information remains available for hours with dead relay.
Access view the opening data via the Historicals submenu the Measurements menu.5.
108/158
.0kA
■Number openings due the protections and the TRIP tests. 630 A
Installation Jan 00, 2000
Maintenance Jan 00, 2000
About 1/2
1 tio the trip and data
The PR123/P unit saves all the information relating the type protection tripped, the opening data, the date and time. connecting
a PR030/B battery unit and PR010/T BT030 wireless communication unit, you can retrieve the information relating the last trips recorded. :
Device E1B800
RatedCurr.5.
Model 2234 Apparatus Scale
L2778
Doc No- 2
Page No.02
15Feb2004
11: 625A 13: 623A
I2: 617A >10. The following example the information provided:
Last Trip N.
The percentage wear depends the number openings carried out the circuit-breaker and the absolutecurrentinterrupted during
each them.The alarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear.
Value the currents interrupted phases (L1, L2, L3), neutral (Ne) and Ground (if has been tripped). With auxiliary
power supply, the information shown immediately the display without the need press the Test" key and remains displayed indefinitely
until you press the key. Using the Test" key
makes the release show all these data directly the display.
Protection Unit
Circuit Breaker
Protection Unit
Enter J
Protection Unit^ I
Nr.
-Indication for protection tripped.02
ESC
+ Enter J
Circuit Breake^^^^^^^^^^H /I
Nr. The data relating the last trips are stored the unit's memory. 00000000000ABB SACE
Device PR123/P
Version LSIG
Normative IEC
Software 1.
Again the Measurements menu, you can view the percentage contact wear, which indication the electrical life the electrical contacts
in the circuit-breaker. There need for auxiliary power supply for this function.The surfing path summarized the following table:
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