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1
[a Contact wear Alarm for contact wear Contact wear 100%
[a (TRIP OFF) Alarm for protection G
là Gext (TRIP OFF) Alarm for protection Gext
|S Alarm Alarm for protection Temperature outside range
[a OFF) Alarm for protection T
U Alarm Alarm for protection Protection delay counting down
UV Alarm Alarm for protection UV
OV Alarm Alarm for protection OV
íák Alarm Alarm for protection RV
RP Alarm Alarm for protection RP
í Alarm Alarm for protection UF
OF Alarm Alarm for protection OF
[a Load LC1 Alarm for load control LC1
[a Load LC2 Alarm for load control LC2
íák Sensor Alarm for phase current sensor Phase sensor disconnected faulty
Model 2234 Apparatus Scale
L 2778
Doc No- 2
Page No.3 I1.6 efinition sig 123/P unit
14..p8 Programmable electrical signals the PR021/K unit installed and there auxiliary power supply.
14..
Alarm (red) led
• Presence overload one more phases with current values >1.
W arning Led (yellow 2Hz) •ALARM threshold relay's internal temperature exceeded.
Pressing the Test" key enables you reset the activated contacts.6.14.p4 Programmable electrical signals the PR120/K module the PR021/K unit are installed and there auxiliary power supply.
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..
* The IEC 60947-2 Standard defines the timing threshold for current: 1.
E rro essa rip tio s
[a Harmonic dist..1 ptical signals
S llin escription
W arning (yellow) led
• The prealarm threshold has been exceeded; one more phases with current values the range
0. Harmonic distortion alarm Busbar currents with form factor 2.05 1.6.
The following symbols the warning signals have the following meanings:
IA =Warning signal Protection alarm mode, with trip (trip off)
= Protection alarm mode, with trip end delay (trip on)
|o Information, action, except for displaying the relay.
14.5Hz) •WARNING threshold relay's internal temperature exceeded.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.3 Table error and arning essages
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.1;
• Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;
• Circuit-breaker state error;
• Frequency out range;
• Configuration error;
• Settings inconsistency.
K51/p1.9xI1< 1.6.
W arning Led (yellow 0.05xI1(on the depends the selection made; for instance, 50% the values are halved);
• 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> 2.2 Electrical signals
K51/p1
