Poznámky redaktora
(6) other signals are not present, unit's operating mode indicated sec after the unit has been turned on.5 Hz)
A LEDs
Q
LÜ
Flashin
A LEDs
Q
LÜ
g fast (2Hi
Single
Q
LÜ
D
LE
LED flas
two 0.5 the LED referenced identifies the status the
function Also see the table below:
Type inform ation
Flashing
slowly
(0.
When Vaux and/or PR030/B are installed (connected during the event), trip cause displayed (CS Error, Rating Plug Error). 12.
(3) When enabled, Hardware trip causes opening the sec.12.7., activates case ''Cs Error" "Rating Plug Error", when protection
is set "ON" the without external neutral (configuration error).1 ptical signals
The following table shows how the LEDs are managed accordance with the IEC standard 60073 (and clause 4.
When Vaux and/or PR030/B are installed, the general "Hw trip" indication retained and can viewed pressing the "I-Test" key.7 Definition the alarms and signals for the PR121/P unit
12. error 0
Protection timing alarm 0
Last trip (1) 0
Test button pressed and
no failure detected (2)
0
Hardware Trip (3) 0(4)
L prealarm 0
Configuration error(5) H
Settings inconsistency H
Normal relay
operation (6)
0
(1) Information the "Last trip" displayed when the LED relating the protection unit that has been tripped comes on.
Model 2234 Apparatus Scale
L 2778
Doc.3.
(4) Orange led and red led on.
40/158
.5 s
every
A LEDs
Q
LÜ
0£
D
sE
£o
Ï50
o>Œ%
iä"
LED flashing
with one pulse
every sec
LED
Hi
O
z
<
0£
o
LED or
A LEDs
Q
LÜ
0£
perma
Sin
Q
LÜ
0£
nently
gle LED
Hi
O
z
<
0£
o
TC error disconnected 0
CS error disconnected 0
Rating Plug/Install.6.
(5) The values entered differ from those stored.
(2) The information displayed with all the LEDs for long the test button pressed and held, for sec. No. 2
Page No. Therefore, the relay must installed (see 12.2 particular).
The LED alerts you the status the function set its zone; e.g. the figure par.2.3). The LED remains on
for sec, permanently outside power supply (from the PR030/B) being used
