User guide

System Hardware
Application 2
The schematic drawing below shows an application where the
reference is coupled to the detector’s reference. The RS-485
connection is floating at the BSD-321 side. The cable shield is
terminated at the BSD-321 end only.
7;BB;B6(5B
7;BB=B6(5B
5;BB$B6(5B
5;BB%B6(5B
9B6(5B
,1675B*1'B6(5B
/RRSEDFNFDEOH
3RUWWR
LQFOXGHVUHIHUHQFH
YDQGRSWLRQDOO\
(DUWK,(
5HIHUHQFHRIVLJQDO
KDVWREHFRXSOHGWR
H[WHUQDOGHYLFH¶V
UHIHUHQFHVHSDUDWH
ZLUHRUWKHVKLHOGFRXOG
DVZHOOEHXVHG
1RWHWKDWWKHFDEOHVKLHOGLVWLHGWR(DUWKDWWKH%6'VLGHDQGNHSW
RSHQDWWKHGHWHFWRUVLGH7KHGHWHFWRUKDVFRPPRQVLJQDOUHIHUHQFH
DQG(DUWK
7;BB;B6(5B
7;BB=B6(5B
5;BB$B6(5B
5;BB%B6(5B
9B6(5B
,1675B*1'B6(5B
7;BB;
7;BB=
5;BB$
5;BB%
9B5()
,1675B*1'
System Description, AutroSafe Integrated Fire & Gas Detection System, 116-P-ASAFE-IFG/XE Rev. B, 2005-10-27,
Autronica Fire and Security AS
Page 37