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Connecting Alarm Input/output - Siemens SISTORE AX9 250 User Manual

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Appendix

12.6.3 Connecting alarm input/output

118
Siemens Building Technologies
Fire Safety & Security Products
Recommended Alarm-In connection
Alarm In
GND
Mechanical alarm input device can be used as above, and 5 V TTL logic can also
be used.
NOTE
The threshold voltage of alarm input is below 5 V.
Recommended RELAY connection
The following are examples of the available relay:
12 V application
NAiS:Tq2-12V, DS1E-M-12V
5 V application
NAiS:TQ2-5V, DS1E-M-5V
NOTE
The permitted current of alarm output sync is up to 30 mA, and a flywheel diode is required.
Alarm
Device
03.2007

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