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VAMP 221
Arc protection system
Technical description
VAMP Ltd
2
VAMP 24h Technical Support: +358 (0)20 753 3264
VM221.EN013
4.6.
Block diagram...................................................................46
4.6.1.
VAMP 221..................................................................46
4.6.2.
VAM 10L ....................................................................47
4.6.3.
VAM 3L / VAM 3LX ...................................................47
4.6.4.
VAM 4C .....................................................................48
4.6.5.
VAMP 4R....................................................................49
4.6.6.
VAMP 221 signaling diagram.................................50
4.7.
Connection examples.....................................................51
4.7.1.
VAMP 221..................................................................51
4.7.2.
VAM 10L ....................................................................52
4.7.3.
VAM 3L / VAM 3LX ...................................................52
4.7.4.
VAM 4C .....................................................................53
5.
Change of DIP-switches in I/O units 10L, 3L, 3LX and 4C .54
6.
Technical data .....................................................................55
6.1.
Connections......................................................................55
6.1.1.
Measuring circuits ....................................................55
6.1.2.
Auxiliary power supply ............................................56
6.1.3.
Digital inputs (BI/O bus) ..........................................57
6.1.4.
Trip contacts .............................................................58
6.1.5.
Alarm contacts ........................................................59
6.1.6.
Communication bus interface ..............................60
6.1.7.
Local serial communication port ..........................60
6.2.
Tests and environmental conditions..............................60
6.2.1.
Test voltages .............................................................61
6.2.2.
Mechanical tests .....................................................61
6.2.3.
Environmental conditions .......................................61
6.2.4.
Casing .......................................................................62
6.2.5.
Package....................................................................62
6.3.
Protection stages .............................................................63
6.3.1.
Arc (fault) protection ..............................................63
6.3.2.
Circuit breaker failure protection stage (50BF)...63
6.4.
Unbalance alarm .............................................................63
7.
Construction .........................................................................64
7.1.
Dimensional drawings......................................................64
7.1.1.
VAMP 221..................................................................64
7.1.2.
VAM 10L / 3L / 3LX / 4C , VAMP 4R .......................64
7.1.3.
VAR 4CE ....................................................................65
7.1.4.
VA 1 DA .....................................................................65
7.1.5.
VA 1 EH ......................................................................66
7.1.6.
VYX 001......................................................................66
7.1.7.
VYX 002......................................................................67
7.1.8.
VYX 076......................................................................68
7.1.9.
VYX 077......................................................................68
7.2.
Unit installation ..................................................................69
7.2.1.
VAMP 221..................................................................69
7.2.2.
VAM 10L, VAM 3L, VAM 3LX, VAM 4C ..................72
7.2.3.
Arc sensors ................................................................74