STRATOS HSSD - Local and Remote Referencing

World Patents Pending ©AirSense Technology Ltd. 1999
ISSUE 2.4
Page 34
TECHNICAL. MANUAL
Stratos is provided with the facility to use a Reference signal to combat unwanted alarms
caused by smoke from outside sources drawn into a protected areas.
There are two methods of referencing; local and remote. The difference between local
and remote referencing is shown below.
Local and
remote
referencing
Both systems have a local reference, which is a slave detector on the masters own slave
loop that has a special address. Each master has its local reference (function 5) set to
‘y’ and its remote reference (function 6) set to ‘n’.
Master 1 still has a local reference, but its reference is also used as the reference for
Master 2 and up to three additional masters. Master 2 must have local reference
(function 5) set to ‘n’ and remote reference (function 6) set to ‘y’.
HIGH SENSITIVITY SMOKE DETECTOR
TM
ISOLATE
TEST
RESET
SMOKE DENSITY
AUX
FIRE
PRE-
ALARM
RENEW
OK
FAULT
OK
ISOL.
ON
FAULT
OK
HIGH
OK
LOW
1234
Ref.
Air Flow
12345678910
Detector
Power
Separator
Artificial Intelligence
With
SLAVE DETECTORSMASTER
SLAVE DETECTOR
TM
SLAVE DETECTOR
TM
Master 1
Local = y
Remote = n
Slave loop
Reference Slave
HIGH SENSITIVITY SMOKE DETECTOR
TM
ISOLATE
TEST
RESET
SMOKE DENSITY
AUX
FIRE
PRE-
ALARM
RENEW
OK
FAULT
OK
ISOL.
ON
FAULT
OK
HIGH
OK
LOW
1234
Ref.
Air Flow
12345678910
Detector
Power
Separator
Artificial Intelligence
With
SLAVE DETECTORSMASTER
SLAVE DETECTOR
TM
SLAVE DETECTOR
TM
Master 2
Local = y
Remote = n
Slave loop
Reference Slave
HIGH SENSITIVITY SMOKE DETECTOR
TM
ISOLATE
TEST
RESET
SMOKE DENSITY
AUX
FIRE
PRE-
ALARM
RENEW
OK
FAULT
OK
ISOL.
ON
FAULT
OK
HIGH
OK
LOW
1234
Ref.
Air Flow
12345678910
Detector
Power
Separator
Artificial Intelligence
With
SLAVE DETECTORSMASTER
SLAVE DETECTOR
TM
SLAVE DETECTOR
TM
Master 1
Local = y
Remote = n
Slave loop
Tx/GND Rx/GND
Reference output
Additional
Masters
Reference Slave
HIGH SENSITIVITY SMOKE DETECTOR
TM
ISOLATE
TEST
RESET
SMOKE DENSITY
AUX
FIRE
PRE-
ALARM
RENEW
OK
FAULT
OK
ISOL.
ON
FAULT
OK
HIGH
OK
LOW
1234
Ref.
Air Flow
12345678910
Detector
Power
Separator
Artificial Intelligence
With
SLAVE DETECTORSMASTER
SLAVE DETECTOR
TM
Master 2
Local = y
Remote = n
Slave loop
Slave