Function; Parameter Sets; Diagnosis Levels - Siemens OH110 Technical Manual

3.3 Function

3.3.1
3.3.2
Building Technologies
Fire Safety

Parameter sets

The detection behavior of the detectors is influenced by the parameter sets, so that
it can be specifically adjusted to the fire phenomena and environmental conditions
to be expected in the environment to be monitored.
All parameter sets are programmed in the detectors. To select the parameter set
used, insert the point detector into a certain detector base.
The table below illustrates the dependency between the point detector's parameter
sets and the detector bases used.
Point detector
used
OH110
OP110
HI110
HI112

Diagnosis levels

The point detector monitors most of its functions itself. In particular it monitors the
correct functioning of the microcontroller, temperature sensors, light emitter and
light receiver.
If there is a fault, the point detector's internal alarm indicator flashes:
Color
Yellow
Detector base
DB110 or DB110D
'Sensitive'
'Standard'
'A2S'
Flashing frequency
One flash every 10 s
Structure and function
Function
Detector base
DB110R or DB110RD
'Robust'
'Sensitive'
'A1R'
'B'
Meaning
Fault
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