Siemens FS720 Quick Reference For Components / Pin Assignment page 121

25.2.3 X8 monitoring external supply and operating LED
Building Technologies
Fire Safety & Security Products
PIN Designation
1 #BATT
2 #CONVERT
3 #MAINS
4 #LED_1
5 LED_PWR
6 #LED_2
X8
#BATT - 1
#CONVERT 2
-
#MAINS - 3
#LED_1 - 4
LED_PWR + 5
#LED_2 - 6
Mimic display driver FT2001-A1
Description
Message input from the external power supply: Battery
malfunction (not used)
Message input from the external power supply: Converter
fault (not used)
Message input from the external power supply: Mains failure
(not used)
Signal for operating LED 'LED_1'
Supply + for 'LED_1' and 'LED_2'
Signal 'LED_2' (not used)
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18.05.2009