User guide
System Hardware
Application 3
The schematic drawing below shows an application where the
detector has common signal reference and Earth. The shield and
signal reference is tied together at the same location by the detector
only (the IE point at the ports are floating).
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System Description, AutroSafe Integrated Fire & Gas Detection System, 116-P-ASAFE-IFG/XE Rev. B, 2005-10-27,
Autronica Fire and Security AS
Page 38