Siemens FDA221

3
Structure and function
Setup
30
Building Technologies A6V10334410_h_en_--
Fire Safety 2015-09-29
The connection terminals are combined in functional units.
Power supply
You will find details on page [➙ 64].
'Smoke 4…20 mA'
analog output. You will find details on page [➙ 66].
Configurable
'GPI'
input
You will find details on page [➙ 68].
'Purge'
relay output for blowing out (with FDA241 only)
You will find details on page [➙ 68].
'Dust
' relay output for dust value (with FDA241 only). You will find details on page [➙ 69].
'Fault'
relay output for error messages. You will find details on page [➙ 69].
'Inspect'
relay output for Inspect (with FDA241 only)
You will find details on page [➙ 69].
'Prealarm'
relay output for Prealarm
You will find details on page [➙ 70].
'Fire 1'
relay output for Fire 1
You will find details on page [➙ 70].
'Fire 2'
relay output for Fire 2
You will find details on page [➙ 70].
'FDNet
' relay connection with FDCC221S (optional)
You will find details on page [➙ 66].
'USB'
Mini USB port for connecting to a PC
You will find details on page [➙ 94].
See also
 Communication transponder FDCC221S [➙ 37]
 External power unit and batteries [➙ 31]
 Removing and installing the housing cover when the power
supply is switched on [➙ 51]