Siemens FS720 Mounting & Installation page 172
Fire detection system
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Also See for FS720:
- Configuration (412 pages) ,
- Mounting & installation (222 pages) ,
- Commissioning, maintenance, troubleshooting (178 pages)
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Installing, exchanging and connecting modules
7
Card cage
Element
Slots
Connection terminals
Connector
Degraded mode
Internal bus
7.17.2.2 X9 supply
7.17.2.3 X11...X22 connection terminals for the module bus cards
172 | 248
Building Technologies
Fire Safety
Des.
Function
X1
Connector strip for module bus card 1
X2
Connector strip for module bus card 2
X9
System supply connection
X11
Connection terminals for module bus card 1
X12
Connection terminals for module bus card 1
X21
Connection terminals for module bus card 2
X22
Connection terminals for module bus card 2
X15
Connector for degraded mode indicator [AT] of module bus
card 1
X25
Connector for degraded mode indicator [AT] of module bus
card 2
X501
Connector for module bus input
Pin
Designation
1
VSYS+
2
VSYS+
3
VSYS+
4
VSYS-
5
VSYS-
6
VSYS-
Admissible cable cross-section: 0.2...2.5 mm²
X9
VSYS+
VSYS+
VSYS+
VSYS-
VSYS-
VSYS-
The module bus card determines the PIN assignment of the four connectors. You
will find the pin assignments in the description of the corresponding module card.
The assignment of the connector is:
●
Connections of module bus card 1 are on connectors X11 and X12
●
Connections of module bus card 2 are on connectors X21 and X22
Description
System supply (+)
System supply (+)
System supply (+)
System supply (–)
System supply (–)
System supply (–)
1
2
3
4
5
6
A6V10210390_m_en_--
2018-08-29
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