What are differences between Conventional & Addressable type
smoke detectors?
Answer Posted / raj
There are several differences between conventional &
addressable fire alarm systems. These differences include;
Addressable fire alarm systems give information about
individual detectors, whereas conventional systems only give
information
about specific circuits (zones).
1.
Due to this, addressable systems allow a courtesy text label
to allow easy identification of any event. For instance
detector 1
may be given the label “Bedroom 1.
2.
Most addressable systems allow an early “pre-alarm” warning,
which allows the responsible person to investigate potential
alarms before the system activates it`s sirens
3.
Many addressable systems can alter the alarm threshold of
the detectors, in order to meet the needs of different
environments in
different areas of the system
4.
5. Addressable systems are usually wired in a loop.
Conventional systems are usually wired as radial circuits.
6. Addressable systems usually have a real time clock &
event log to record system events.
Larger addressable systems usually have the ability to use
sophisticated programming options to operate certain outputs
only
with specific events.
7.
Historically, addressable systems have tended to be
complicated to configure, and cost between 50% to 100% more
than a
conventional equivalent
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?
what are the preventive maintanance actions taken for air circuit breaker? please answer me
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
How CFL &T5 tube light glows?
at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?
why steady state stability limit is greater than transient stability limit ? How it can be explained ?
I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.
After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.
.php|
WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ
what is your aim
we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?
What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?
In Power cable specification what is U0/U and Um.