Siemens FS20 - Page 92

Mounting and installation of the compact control panels
Fire terminal board
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Building Technologies
008851_s_en_
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Fire Safety
2016
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5.5.2.3 X6/X7 supply input 2/1
If the fire terminal is supplied by a fire control panel, a redundant supply is needed
according to EN 54. For reasons of reliability, the two supply lines must be routed
separately.
Figure 40: FTI2001-A1, supply via a fire control panel
X6, supply input 2
Pin Designation Description
4 VSYS - 2 Ground
3 VSYS - 2 Ground
2 VSYS + 2 System supply (+)
1 VSYS + 2 System supply (+)
Admissible cable cross-section: 0.2…2.5 mm²
FT2040
Fire terminal board
U
Sys 1
U
Sys 2
X7
X6
4
3
X6
VSYS -2
VSYS -2
2
1
VSYS +2
VSYS +2
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+
-
+