PI - 34.85
Product Information Linear Smoke Detector Fireray 50/100RV
601-F.01U.002.705
A1.en / 29.12.2004
ST-FIR/ PRM1/ zab
Seite 11 von 22
DIP switches
The DIP switches can be accessed through the round recess in the detector base
plate.
Table 2.: Functions of the DIP switch settings
*
Function
DIP switch settings
*
Function
1
2
3
4
50% threshold
X
X
OFF
OFF
35% threshold
X
X
OFF
ON
25% threshold
X
X
ON
OFF
12% threshold
(extremely sensitive, only for special applications!)
X
X
ON
ON
X
Alarm relay saves the alarm
OFF
X
X
X
Automatic reset 5 s after the end of the alarm criterion
ON
X
X
X
Alarm relay after end of readjustment
X
OFF
X
X
X
Fault relay at end of readjustment, no alarm
X
ON
X
X
The factory presets are shaded in gray.
* The recommended settings for connection to a fire panel are marked with X.
Use DIP switches 3 and 4 to set the required alarm threshold. The factory setting
is moderate sensitivity (35%) for normal environmental conditions. Select a
threshold of 50% in very dirty environments.
Use DIP switch 1 to select the «Save alarm » or «Auto Reset» function.
Select the following settings for connection to a fire panel:
- «Alarm relay saves the alarm»
- «Fault relay at end of readjustment, no alarm».
Plug connector
The plug connector can be accessed through the oval recess on the detector base
plate.
Table 3.: Pin assignment of the 8 - pin connector (from left to right)
PIN number
Wire color
Function
1
Not assigned
2
blue
Alarm relay, center contact (COM)
3
yellow
Alarm relay, work contact (NO)
4
red
Power 10 to +30 V DC
5
black
Power supply -
6
green
Fault relay, normally closed contact (NC)
7
white
Fault relay, center contact (COM)
8
Not assigned
