Table 484:
LCP3PTOC (51) Output signals
Name
Type
Description
TRIP
BOOLEAN
Common trip signal
TR_A
BOOLEAN
Trip signal from phase A
TR_B
BOOLEAN
Trip signal from phase B
TR_C
BOOLEAN
Trip signal from phase C
RI
BOOLEAN
Common start signal
PU_A
BOOLEAN
Pickup signal from phase A
PU_B
BOOLEAN
Pickup signal from phase B
BFI_C
BOOLEAN
Pickup signal from phase C
13.8.10.5
Setting parameters
Table 485:
LCP3PTOC (51) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Enable / Disable
IBase
0 - 99999
A
1
3000
Base setting for current in A
PU 51
5 - 2500
%IB
1
1000
Start value for 3 phase over current in % IBase
tOC
0.000 - 60.000
s
0.001
0.020
Time delay to operate
13.8.10.6
Technical data
Table 486:
LCP3PTOC (51) technical data
Function
Range or value
Accuracy
Operate value,
overcurrent
(5-2500)% of IBase
± 1.0% of Ir at I < I
n
± 1.0% of I at I > I
n
Reset ratio, overcurrent
>95%
-
Operate time, start
20 ms typically at 0 to 2xI
set
15 ms typically at 0 to 10xI
set
-
Reset time, start
30 ms typically at 2 to 0xI
set
-
Critical impulse time,
overcurrent
5 ms typically at 0 to 2xI
set
2 ms typically at 0 to 10xI
set
-
Impulse margin time,
overcurrent
10 ms typically
-
Timers
(0.000-60.000) s
± 0.5% ± 10 ms
Section 13
1MRK505222-UUS C
Scheme communication
854
Technical reference manual
Summary of Contents for Relion 670 series
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