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1.8
Line Supervision B1G 030
1.8.1
Block Diagram
Siemens Building Technologies
Fire & Security Products
(no longer on sale)
R
E
R
A
R
E
R
A
R
= R
= 1k5
E
A
R
= end impedance
E
R
= alarm impedance
A
R
= line impedance
L
R
max. 520 Ohm
L
xx
= connection no.
Inputs:
even number
active on alarm (-24V DC)
odd number
active on line trouble (-24V DC) <open /short circuit>
Outputs: B1G 030
even number
active on alarm
odd number
active on line trouble
on trouble/alarm output 1 (or 2) on B1G 030 goes "high": positive logic for MM/MF
B1G 030
1
1
2
1
12
2
R
L
B1G 030
1
1
1
2
2
23
1
12
24
2
25
1
13
26
2
47
1
24
48
2
13
e1046d
08.2004
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