Extinguishing Terminal Connection Assignment And Wiring - Siemens FS720 Mounting & Installation

6.4.2 Extinguishing terminal connection assignment and wiring

6.4.2.1 Primary extinguishing terminal, connections X1, X2
Building Technologies
Fire Safety
The connections described here using the printed circuit board XTO2001 and apply
to all extinguishing terminals.
Connector X2, supply
PIN Designation
1 VSYS_POS
2 VSYS_POS
3 VSYS_NEG
4 VSYS_NEG
5 #MAINS
6 #BATTERY
7 -3SRC
8 +3SRC
Connector X1, RS485 connection
PIN Designation
1 DATA_A
2 DATA_A
3 DATA_B
4 DATA_B
Admissible cable cross-section: 1.5... 1.5 mm²
Wiring diagram
FCA2046 Card cage
INT_VSYS
INT_VSYS
INT_DATA_A
INT_DATA_B
Figure 39: Wiring diagram for internal extinguishing terminal
Mounting and installing extinguishing control panels
Extinguishing terminal installation and wiring
Description
Supply input V+
Supply output V+ (looped through)
Supply input V-
Supply output V- (looped through)
Network monitoring connection
Battery monitoring connector
Supply input V-, 3rd source of voltage
Supply input V+, 3rd source of voltage
Description
Terminal line +
Terminal line + (looped through)
Terminal line -
Terminal line - (looped through)
X10
+ 1
- 2
A 3
B 4
Extinguishing terminal
VSYS_POS
1 +
VSYS_POS
2 +
VSYS_NEG
-
3
-
VSYS_NEG
4
5
#MAINS
#BATTERY
6
7 - -3SRC
+
8
+3SRC
Extinguishing terminal
A
1
DATA_A
2 A
DATA_A
3 B
DATA_B
DATA_B
4 B
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2018-08-29
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X2
X1