7.1 19 95-8242
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32
+
–
(A) +290 VDC
B - INPUT 1
B - INPUT 2
B - INPUT 3
B - INPUT 4
B - INPUT 5
B - INPUT 6
B - INPUT 7
B - INPUT 8
D1-1 o
i
DRIVER
D1-2 o
i
DRIVER
D1-3 o
i
DRIVER
D1-4 o
i
DRIVER
D1-5 o
i
DRIVER
D1-6 o
i
DRIVER
D1-7 o
i
DRIVER
D1-8 o
i
DRIVER
D2-1 o
i
DRIVER
D2-2 o
i
DRIVER
D2-3 o
i
DRIVER
D2-4 o
i
DRIVER
D2-5 o
i
DRIVER
D2-6 o
i
DRIVER
D2-7 o
i
DRIVER
D2-8 o
i
DRIVER
DMA OUT AVAILABLE
DMA OUT
DMA IN
DATA STROBE
DMA IN AVAILABLE
33
34
35
36
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64
ZONE OUTPUT 1
ZONE OUTPUT 2
ZONE OUTPUT 3
ZONE OUTPUT 4
ZONE OUTPUT 5
ZONE OUTPUT 6
ZONE OUTPUT 7
ZONE OUTPUT 8
FIRE LOGIC “A”
FIRE LOGIC “B”
ALARM OUTPUT
EXTERNAL RESET/INHIBIT
OUTPUTS INHIBITED
FAULT OUTPUT
EXTERNAL ACCEPT
STATUS & DET. OUTPUT S1
STATUS & DET. OUTPUT S2
STATUS & DET. OUTPUT S3
STATUS & DET. OUTPUT S4
STATUS & DET. OUTPUT S5
STATUS & DET. OUTPUT S6
STATUS & DET. OUTPUT S7
STATUS & DET. OUTPUT S8
DATA BUS 0
DATA BUS 1
DATA BUS 2
DATA BUS 3
DATA BUS 4
DATA BUS 5
DATA BUS 6
DATA BUS 7
CHASSIS (EARTH) GND
A
B
C
D
C7050
ZONE 1
A
B
C
D
C7050
ZONE 3
A
B
C
D
C7050
ZONE 4
A
B
C
D
C7050
ZONE 5
A
B
C
D
C7050
ZONE 6
FIRE ALARM CONTROL CABINET
C0873
0.47 uf, 250 VDC
NON-POLARIZED
J2
R7404J1
10 TO 38 VDC
}
A
B
C
D
C7050
ZONE 2
A
B
C
D
C7050
ZONE 7
A
B
C
D
C7050
ZONE 8
A
B
C
D
A
B
C
D
C7050
ZONE 1
A
B
C
D
C7050
ZONE 3
A
B
C
D
C7050
ZONE 4
A
B
C
D
C7050
ZONE 5
A
B
C
D
C7050
ZONE 6
A
B
C
D
C7050
ZONE 2
A
B
C
D
C7050
ZONE 7
A
B
C
D
C7050
ZONE 8
A
B
C
D
J1-3
J1-5
J1-2
J1-13
A
B
C
D
J1-3
J1-4
J1-2
J1-20
A
B
C
D
J1-3
J1-5
J1-2
J1-21
A
B
C
D
J1-3
J1-6
J1-2
J1-14
A
B
C
D
J1-3
J1-6
J1-2
J1-22
A
B
C
D
J1-3
J1-7
J1-2
J1-15
A
B
C
D
J1-3
J1-7
J1-2
J1-23
A
B
C
D
J1-3
J1-8
J1-2
J1-16
A
B
C
D
J1-3
J1-8
J1-2
J1-24
A
B
C
D
J1-3
J1-9
J1-2
J1-17
A
B
C
D
J1-3
J1-9
J1-2
J1-25
A
B
C
D
J1-3
J1-10
J1-2
J1-18
A
B
C
D
J1-3
J1-10
J1-2
J1-26
A
B
C
D
J1-3
J1-11
J1-2
J1-19
A
B
C
D
J1-3
J1-11
J1-2
J1-27
Figure 24—A Typical System – 16 Detectors in 8 Zones
Front Panel Display Status Outputs
Zone Detector S1 S2 S3 S4 S5
1 1 1 0 0 0 0
1 2 1 0 0 0 1
2 1 0 1 0 0 0
2 2 0 1 0 0 1
3 1 1 1 0 0 0
3 2 1 1 0 0 1
4 1 0 0 1 0 0
4 2 0 0 1 0 1
5 1 1 0 1 0 0
5 2 1 0 1 0 1
6 1 0 1 1 0 0
6 2 0 1 1 0 1
7 1 1 1 1 0 0
7 2 1 1 1 0 1
8 1 0 0 0 1 0
8 2 0 0 0 1 1
Table 3—Relationship of Zone and Detector to the Status Outputs
Front Panel Display Status Outputs
System Status S6 S7 S8 Fault
Outputs
Inhibited
0 0 0 0 0 1
1 1 0 0 0 1
2 0 1 0 0 0
3 1 1 0 1 0
4 0 0 1 0 0
5 1 0 1 0 0
6 0 1 1 1 0
7 1 1 1 0 1
8 0 0 0 0 1
Blank and No Fault 0 0 0 1 0
Status Outputs Logic 0 = 100 kilohms to 0 volts
S1 – S8, Fault
Outputs Inhibited
Logic 1 = Less than 25 ohms to
0 volts
Table 4—Relationship of SYSTEM STATUS Display to Status Outputs
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