Siemens FC700A User Manual

Page of 70
Remote transmission 
50 
Siemens Building Technologies
 
 007836_a_en_--.doc
Fire & Security Products 
 
03.2004
 
 
20 Remote 
transmission 
 
Most fire detection systems are linked to a remote transmission system. Therefore 
in case of alarm (alarm stage 2) the fire detection system must initiate the remote 
transmission device (RT-device). 
Remote transmission device 
– 
Located in cabinet of control unit 
– 
Required space depends on the type of remote transmission device 
– 
Powered by 24VDC of the fire control unit 
– 
Single channel (alarm + fault) or multi channel (several alarm channels) 
– 
Disabling/enabling via B3Q700 (FC/FT) 
Interfacing 
– 
Via output contacts and special control in-/outputs of the E3G070 
 
E3G070
B3Q700 (CPU)
I-Bus
Interfacing via E3G070
K2
24V
RT-device
FC700A
alarm
fault