Siemens FS720 - Connection FTI2002-N1

Installing, exchanging and conne
cting modules
Remote EVAC
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NL and EVAC
-
NL mimic display driver
7
231 |
248
Building Technologies
A6V10210390_m_en_
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Fire Safety
2018
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08
-
29
7.32.6 Connection FTI2002-N1
7.32.6.1 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.