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Technical description
8 Connections
8.8 Block diagrams
VM50.EN004
VAMP 24h support phone +358 (0)20 753 3264
207
8.8.2.
VAMP 51
1A
0.2A
I
0
I
0
VAMP51Blockdiagram
*
X3:
2 A
O -
X3:
1 A
O+
IL1
IL2
IL3
I
0
I
0
5A
1A
~
DI
Blocking and
output matrix
VAMP 51
Remote
Front
X
1
:
1
X
1
:
2
X
1
:3
X
1
:4
X
1
:
5
X
1
:6
X
1
:7
X
1
:8
X
1
:9
X
2
:
1
X
2
:
2
X3:
12
X3:
1
3
T2
X3:
15
X3:
1
4
T1
X3:
1
6
X3:
1
7
X3:
11
X3:
10
IF
X3:
1
8
X3:
1
9
X3:
20
X3:3 DI
1
-
X3:4 DI
1
+
X3:
5
DI
2
-
X3:6 DI
2
+
*
Comm. option
mA
mA out option
T1
T1
T3
T
4
C1
X3:7
X3:9
X3:8
order option
Autorecloser
matrix
Protection functions
Auto Reclose
79
CBFP
50BF
3I>
3I>>
3I>>>
50 / 51
T >
49
I >
f2
68
I >,
0
I >
02
I >>,
0
I >>
02
50N/51N
TCS
74TC
ArcI>
50ARC
I
>
2
/I
1
46R
50NARC
ArcI
01
>
Lockout
86
I >
2
46
X6:
1
X6:
2
X6:3
X6:4
X6:
5
X6:6
X6:7
X6:8
Arc option
or
DI / DO module
I/O extension
module
Figure 8.8.2-1 Block diagram of overcurrent and earthfault protection relay
VAMP 51.