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The surfing path summarized the following table:
14.
In any case, functionality the relay way modified the presence the wear messages.
The percentage wear depends the number openings carried out the circuit-breaker and the absolutecurrentinterrupted during
each them. The following example the information provided:
Last Trip N.
Access view the opening data via the Historicals submenu the Measurements menu. The data relating the last trips are stored the unit's memory.
Model 2234 Apparatus Scale
L2778
Doc No- 2
Page No. Using the Test" key
makes the release show all these data directly the display.
Again the Measurements menu, you can view the percentage contact wear, which indication the electrical life the electrical contacts
in the circuit-breaker. :
Device E1B800
RatedCurr.5.
Value the currents interrupted phases (L1, L2, L3), neutral (Ne) and Ground (if has been tripped).
Protection Unit
Circuit Breaker
Protection Unit
Enter J
Protection Unit^ I
Nr.02
ESC
+ Enter J
Circuit Breake^^^^^^^^^^H /I
Nr. There need for auxiliary power supply for this function. 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.The alarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear.
The prealarm message (wear 80%, "warning" LED lighting up) indicates that the wear has reached highvalue.02
15Feb2004
11: 625A 13: 623A
I2: 617A >10.
-Indication for protection 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.
The information remains available for hours with dead relay.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Isolated/Withdrawn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. 00000000000ABB SACE
Device PR123/P
Version LSIG
Normative IEC
Software 1. connecting
a PR030/B battery unit and PR010/T BT030 wireless communication unit, you can retrieve the information relating the last trips recorded.0kA
■Number openings due the protections and the TRIP tests.5.
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