Poznámky redaktora
The following symbols the warning signals have the following meanings:
IA Warning signal Protection alarm mode, with trip (trip=off)
|S Protection alarm mode, with trip end delay (trip=on)
= Information, action, except for displaying the relay.6.1 Optical signals
Signalling Description
Warning (yellow) led
•T prealarm threshold has been exceeded; with current values the range 0.
Warning Led (yellow 0.5Hz) •WARNING threshold relay's internal temperature exceeded.3 I1.6 efinition and 123/D unit
13...
Alarm (red) led
• Presence current values >1.
Pressing the Test" key enables you reset the activated contacts.
13.2 Electrical signals
K51/p1.9x^< 1.3 (timing protection “L”)*;
• Timing progress for protection function S;
• Timing progress for protection function G;
• Timing progress for the voltage (UV, OV) 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.
Error message Description Notes
1A Contact wear Alarm for contact wear Contact wear 100%
[a (TRIP OFF) Alarm for protection G
|2 Alarm Alarm for protection Temperature outside range
[a (TRIP OFF) Alarm for protection T
1A Alarm Alarm for protection Protection delay counting down
1A Alarm Alarm for protection UV
1A Alarm Alarm for protection OV
[a Alarm Alarm for protection RP
[a Load LC1 Alarm for load control LC1
[a Load LC2 Alarm for load control LC2
[a Sensor Alarm for phase current sensor Phase sensor disconnected faulty
IA Sensor Alarm for phase current sensor Phase sensor disconnected faulty
|a disconnected Trip Coil disconnected faulty
IA Rating Plug Rating Plug Error absent faulty
Invalid date Clock information lost
CB status status error Probable error Q26 and/or Q27
[a Installation Key plug error
[a not defined State ofcircuit-breakerinconsistent (Open/Close Probable error Q26 and/or Q27
Model 3447
A pparatus Emax DC
S cale
D 1SDH000635R0002
Page No.05xIfl ;
• Presence, between two polarity, unbalance above the value programmed for the "U" protection,
with protection trip disabled;
• Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;w 1
• Circuit-breaker state error;
• Configuration error;
• Settings inconsistency.
74/1 08
.
K51/p1.13.6.
13.
Warning Led (yellow 2Hz) •ALARM threshold relay's internal temperature exceeded.p8 Programmable electrical signals the PR021/K unit installed and there auxiliary power supply.p4 Programmable electrical signals the PR120/K module the PR021/K unit are installed and there auxiliary power supply...
* The IEC 60947-2 Standard defines the timing threshold for current: 1.6.05 1.3 Table error and warning messages
All the messages which can shown the display relating incorrect configurations, generic alarms deriving from the protection functions
and linked useful information are described below
