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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.3 (timing protection "L")
(on the depends the selection made; for instance, 200% the values are doubled)*;
• Timing progress for protection function S;
• Timing progress for protection function G;
• Timing progress for the voltage (UV, OV, RV), frequency (OF, UF) protection functions;
• Timing progress for the reverse active power protection function (RP);
• Timing the case unbalance between the phases (protection above the value set the
configuration with protection trip set on;
• Contact wear 100%;
• Rating Plug disconnected;
• Trip Coil (TC) disconnected;
• Key plug error;
• Current sensors disconnected;
• Installation error.
13.1;
• Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;
• Circuit-breaker state error;
• Frequency out range;
• Configuration error;
• Settings inconsistency.3 I1.
Indication for protection tripped.2 Electrical signals
K51/p1.
Model 2234 Apparatus Scale
L 2778
Doc No- 2
Page No..p8 Programmable electric signals the PR021/K unit installed and there auxiliary power supply.
About 1/2
Enter J
Protection Unit^ 1
Protection Unit Nr.
In any case, functionality the relay way modified the presence the wear messages.0 ^
Again the Measurements menu, you can view the percentage contact wear, which indication the electrical life the electrical contacts
in the circuit-breaker.
Access view the opening data via the Historicals submenu the Measurements menu.
Last Trip N.02
15Feb2004
L Protection
I1: 625A I3: 623A
I2: 617A >10. There need for auxiliary power supply for this function. 00000000000ABB SACE
Device PR122/P
Version LSIG
Normative IEC
Software P1.
71/158
. The following example the information provided:
■*— Number openings due the protections..
The percentage wear depends the number openings carried out the circuit-breaker and theabsolute current interrupted during
each them.tio enu
The Information Menu enables you view the data relating the protection unit and the type circuit-breaker.
A larm Led (red)
• Presence overload one more phases with current values >1. :
Device E1B800
RatedCurr.02
Circuit Breaker
Protection Unit ------------------------ ►
ESC
+ Enter J
Circuit Breake^ I
Nr.9xI1< 1.
* The IEC 60947-2 Standard defines the timing threshold for current: 1. The data relating the last trips are stored the unit's memory.
W arning Led (yellow 2Hz) Relay's internal temperature exceeding ALARM threshold.05 1.
K51/p1.05xI1(on the depends the selection made; for instance, 50% the values are halved).5Hz) Relay's internal temperature exceeding WARNING threshold.
W arning Led (yellow 0.
• Presence, between two three phases, unbalance above the value programmed for the "U"
protection, with protection trip disabled;
• Presence distorted wave form with form factor 2.
1 efinition and sig the 122/P unit
1 tic ls
S lin rip tio n
W arning Led (fixed yellow
light)
• The prealarm threshold has been exceeded; one more phases with current values the range
0.. The alarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear. By
connecting PR030/B and PR010/T battery unit BT030 wireless communication unit, you can retrieve the information relating the last 20
trips recorded.6..
_ Value the currents interrupted phases (L1, L2, L3), neutral (Ne) and Ground (if has been tripped).p4 Programmable electrical signals the PR120/K module installed and there auxiliary power supply.
Pressing the Test" key enables resetting the activated contacts.
Information remains available for hours with the relay de-energized.
The prealarm message (wear 80%, "warning" LED lighting up) indicates that the wear has reached highvalue. 630 A
Installation Jan 00, 2000
Maintenance Jan 00, 2000
1 tio the trip and data
The PR122/P unit saves all the information relating the type protection tripped, the opening data, the date and time. Using the Test" key
makes the release show all these data directly the display
