Poznámky redaktora
Using the Test" key
makes the release show all these data directly the display.3 I1..
A larm Led (red)
• Presence overload one more phases with current values >1.
K51/p1. The data relating the last trips are stored the unit's memory.
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.
Pressing the Test" key enables resetting the activated contacts.
* The IEC 60947-2 Standard defines the timing threshold for current: 1.02
Circuit Breaker
Protection Unit ------------------------ ►
ESC
+ Enter J
Circuit Breake^ I
Nr...
Indication for protection tripped. The alarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear. 00000000000ABB SACE
Device PR122/P
Version LSIG
Normative IEC
Software P1.
About 1/2
Enter J
Protection Unit^ 1
Protection Unit Nr.
The percentage wear depends the number openings carried out the circuit-breaker and theabsolute current interrupted during
each them.p8 Programmable electric signals the PR021/K unit installed and there auxiliary power supply. 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.05 1. By
connecting PR030/B and PR010/T battery unit BT030 wireless communication unit, you can retrieve the information relating the last 20
trips recorded.
Model 2234 Apparatus Scale
L 2778
Doc No- 2
Page No.
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.2 Electrical signals
K51/p1. The following example the information provided:
■*— Number openings due the protections.
_ Value the currents interrupted phases (L1, L2, L3), neutral (Ne) and Ground (if has been tripped).05xI1(on the depends the selection made; for instance, 50% the values are halved). There need for auxiliary power supply for this function.0 ^
Again the Measurements menu, you can view the percentage contact wear, which indication the electrical life the electrical contacts
in the circuit-breaker.tio enu
The Information Menu enables you view the data relating the protection unit and the type circuit-breaker.02
15Feb2004
L Protection
I1: 625A I3: 623A
I2: 617A >10. :
Device E1B800
RatedCurr.
13.
• 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 2.6.
Access view the opening data via the Historicals submenu the Measurements menu.
71/158
.
W arning Led (yellow 2Hz) Relay's internal temperature exceeding ALARM threshold..p4 Programmable electrical signals the PR120/K module installed and there auxiliary power supply.
Last Trip N.5Hz) Relay's internal temperature exceeding WARNING threshold.1;
• Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;
• Circuit-breaker state error;
• Frequency out range;
• Configuration error;
• Settings inconsistency. 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.9xI1< 1.3 (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.
In any case, functionality the relay way modified the presence the wear messages.
W arning Led (yellow 0
