User manual

Appendix
121
Siemens Building Technologies
Fire Safety & Security Products 12.2008
12.7.2 Connecting alarm input/output
Recommended Alarm-In connection
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 Alarm-Out connection
Mechanical alarm output device can be used as above. NC/NO is a relay output
which sinks 2 A @ 125 V AC, 1 A @ 250 V AC, 1 A @ 30 V DC (NC) and
5 A @ 125 V AC, 2 A @ 250 V AC, 3 A @ 30 V DC(NO).
Recommended TTL Open Collector Alarm-Out connection
Alarm
Out
GND
Power
Relay
+-
The following are examples of the available TTL open collector alarm out:
12 VDC application NAiS:Tq2-12V, DS1E-M-12V, JQ1-12V-F
5 VDC application NAiS:TQ2-5V, DS1E-M-5V