ABB REA 105 - 3 Block Diagram

6
1MRS 751005-MUM
Arc Protection Module
Operator’s Manual
REA 105
3. Block diagram
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&
HSO1HSO2
sensor 1
SG1/ 1
SG1/ 2
SG1/ 3SG1/ 4
SG1/ 5
SG1/ 7
SG1/ 6
SG1/ 8
X4 1 2 3 6 7 9 10
PORT
IN 1
PORT
IN 2
PORT
OUT 1
I>
I>
trip
trip
light
Power
IN
OUT
X2
X3
X1
loh5a
Circuit-
breaker
failure
protection
Light detection
and testing
Cable
connection
block
Cable
connection
block
&
HSO1HSO2
sensor 1
SG1/ 1
SG1/ 2
SG1/ 3SG1/ 4
SG1/ 5
SG1/ 7
SG1/ 6
SG1/ 8
X4 1 2 3 6 7 9 10
PORT
IN 1
PORT
IN 2
PORT
OUT 1
I>
I>
trip
trip
light
Power
IN
OUT
X2
X3
X1
loh5a
³1
³1
³1
Circuit-
breaker
failure
protection
Light detection
and testing
Cable
connection
block
Cable
connection
block
&
HSO1HSO2
sensor 1
SG1/ 1
SG1/ 2
SG1/ 3SG1/ 4
SG1/ 5
SG1/ 7
SG1/ 6
SG1/ 8
X4 1 2 3 6 7 9 10
PORT
IN 1
PORT
IN 2
PORT
OUT 1
I>
I>
trip
trip
light
Power
IN
OUT
X2
X3
X1
loh5a
³1
³1
³1
Circuit-
breaker
failure
protection
Light detection
and testing
Cable
connection
block
Cable
connection
block
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