Siemens FC700A User Manual

52 

Siemens Building Technologies

 

 007836_a_en_--.doc

Fire & Security Products 

 

03.2004

 
 

 

The power supply for the FC700A fire detection system consists of: 

 

Converter 

 

(mains voltage -> system voltage 29,6V) 

 

Battery charging unit  (by means of E3C011) 

 

Batteries (lead)  

(capacity as required) 

 

– 

Automatic battery load test 

– 

Battery charging characteristic can be programmed according to make 

 

– 

Determine required battery capacity individually -> see chapter 23 

– 

Max. 27Ah per battery charging unit (> 27Ah = auxiliary power supply) 

– 

Parallel operation of several battery charging units possible 

– 

Battery lead without EMI-protection (battery cannot be mounted separately) 

 

 

Battery charging module E3C011 required 

Mains

 

 

* TF = Temperature sensor for battery temperature monitoring

Mains

B2F020

TF*

Batteries

AX12..

Monitoring via HW monitoring path

Mains

Battery charging 

unit