01-
E CMSI-NT002.Rev B40
Fire
detection line
Bus characteristics
→ Number:
8 (open bus); 4 (“looped back” bus);
→ points/
loop: 32 maximum (open bus); 128
maximum (“loopback” bus);
→ current: 100mA maximum;
→ Voltage: 12V±10%;
→ maximum
loop impedance: 60 Ohms;
→ distance:
1600 m maximum;
→ cable type: 1 pair 8/10th(without display);
Same.
other buckles
+
entrance
_
First
point of
detection
(embedded ICC*)
→ category (cable):
C2 or CR1 depending on the type of
installation.
+ exit
I
In the case of an installation under R7
repository (APSAD), you cannot mix automatic
triggers and manual triggers on an open line.
Trigger
manual
Last point of
detection
(embedded
ICC*)
Detection
bus open
*
ICC: Short Circuit Interface
Same.
other buckles
"Relooped" detection bus
Detector
Automatique
(embedded
ICC*)
Detector
Automatique
(embedded ICC*)
+ entry + exit + entry + exit
Trigger
Manual
(embedded ICC*)
-
-
Detector
Automatique
(embedded ICC*)
Trigger
Manual
(embedded ICC*)
+ entry + exit
Trigger
Manual
(embedded ICC*)
First
point
-
* ICC: Short Circuit Interface
†
The departure connects to an odd bus and the return to the next even bus.
Example: bus 1 and bus 2, bus 5 and bus 6, etc.
BALTIC 512 TYPE A WALL OR RACK BOX CONTROL AND SIGNALING EQUIPMENT 512 POINTS
12