B3Q440 Operating unit ”Extinguishing”
240
Building Technologies 001260_k_en_--.doc
Fire Safety & Security Products 02.2005
Legend:
1 Connector "VA": Foil-covered keyboard (front terminal)
2 Key "S1": no function
3 Test-LED H13: inactive –>Normal operation, on or flashing –> EPROM miss-
ing or defective
4 Plug-in terminals "ST2" (4-pin): Data line (LON)
5 Resistor R2: Line termination for the communication circuit to E3G080, –> see
page 157
6 Plug-in terminals "ST1" (6-pin): Supply line
7 Fuse "F1" 0.8 A/T: Supply input 1
8 Fuse "F2" 0.8 A/T: Supply input 2
9 Key switch with photo switch operation enabled
10 Plug-in terminals "ST1/ST2": Data line and supply
11 Programming switch "S3": Equipment address
Function Programming switch S3
No. S3-1 S3-2 S3-3 S3-4 S3-5 S3-6
1 Equipment address 1 off off off off off off
2 2 on off off off off off
3 3 off on off off off off
4 4 on on off off off off
"S3-1...6" is set to "off" at the factory
12 Programming switch "S2": Key click, buzzer
Function Programming switch S2
S2-1 S2-2
Key click ”active” on
Key click ”inactive” off
Buzzer ”active” on
Buzzer ”inactive” off 1)
1) Key click not affected
55.6 Connection
– 2 de-coupled supply inputs (only for dual supply)
– with reversed polarity protection
B3Q440
1
2
3
4
5
6
+
-
+
-
Plug-in terminals
ST1
Supply input 1
9...45VDC
to the nearest B3Q440
from the control unit
red
green/yellow
blue
F1
1
2
3
4
B
A
B
A
Plug-in terminals
ST2
Communication
interface (LON)
R2
LON1
LON2
from E3G080
to the nearest B3Q440
Supply input 1
9...45VDC
F2
0V
0V
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