Siemens FS20 - Connection FTI2002-N1

Mounting and installation of the compact
control panels
Remote EVAC
-
NL and EVAC
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NL mimic display driver
5
236 | 354
Building Technologies
008851_s_en_
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Fire Safety
2016
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01
-
27
5.35.6 Connection FTI2002-N1
See also
2 Power supply (70 W) [➙ 94]
2 RS232 / RS485 module [➙ 185]
5.35.6.1 X1 supply
Pin Designation Description
10 VSYS– Supply input from the power supply (–)
9 VSYS– Supply input from the power supply (–)
8 VSYS+ Supply input from the power supply (+)
7 VSYS+ Supply input from the power supply (+)
6 RS485_B Input connection B
1
5 RS485_A Input connection A
1
4 COMMON Ground
3 #MAINS Message input from the power supply: Mains failure
2 #CONV Message input from the power supply: Converter fault
1 #BATT Message input from the power supply: Battery fault
Tn = Last participant
NOTICE
1
Note the polarity of connections A and B.
The last participant connection must have a resistance of 120 Ω.