How to replace my home alarm surface mounted door contacts (twin cable yellow/blue) with a PIR, thanks.?

Question

Door mounted contacts were on the original front door but I have replaced the door, so looking to have PIR to activate and deactivate alarm on entry/exit, still use key pad though. Any advice would be welcome. Thanks

Answer 1

With just twin (2 core) cable it cannot be done,PIR detectors require +ve & -ve supply,tamper circuit,zone loop.

These 3 each require 2 cores,so 6 core needed.

You should just try to refit or renew door contacts,in my experience they are more reliable as no false triggering from pets or sunlight etc.

If not possible,then remove cable & wire new PIR from panel.



For some reason I cannot reply to your mail,anyway,as its a 2core there is no tamper,just disarm & it should be ok to alter/renew.

Answer 2

Several thoughts here. The wiring advice from the other respondent looks correct, so could be a non-starter. You could always use a wireless PIR, but would need the wireless receiver added to your system (if it does not have one already). Most systems being installed today use wireless sensors, for flexibility, ease of troubleshooting, etc.



Nothing is simpler (or more reliable) than a door contact - and it works when the system is armed in either stay or away mode. Most motions are not active in the stay mode (since you don't want to set off your own alarm). That means in the stay mode (when you are home at night), someone could open the door and your system would not trigger the alarm. If the motion is programmed to be active even in the stay mode, you could set if off just by walking near that door. Also not good.



If it were my system, I would go wireless and add a wireless door contact on the front door. Some can even be recessed (we sell them) so that they are completely hidden.



By the way, chances are your system also uses your vulnerable phone line to communicate. You should check out cellular monitoring - much safer.And while you are at it, look into interactive features, like remote arm/disarm, notifications, apps, etc. Alarm systems have come a long way!



Good luck.

Answer 3

4

Hello



Alarm systems are outdated a CCTV camera system does everything an alarm system does and it will pay or itself because there are no monthly fee's, plus you can view your property from anywhere in the world in real time using an i phone, android or PC.



Alarms don't prevent crime as there is no risk o them being caught, a CCTV system identify people so criminals stay away from cameras because they can be identified 90% of most break-ins are by individuals who have a record.





http://www.ascendentgroup.com/home.htm



Here is a write-up that explains IP, analog and Hybrid CCTV systems and the pros and cons of each.



http://www.ascendentgroup.com/home.htm



Many people have a misconception that IP has Superior scalability then Analog but with the advancements of DVR's this simply isn't true, with our X3 DVR you can monitor up to 16,000 cameras using our Central management Suite each camera could even be from a different DVR and a different site.



What is the Advantage of IP?

Many of the so called advantages of IP simply don't hold water in the real world, IP is mainly Hype and marketing and outside of a few niche applications such as 1 camera installs, where MP cameras are needed or large scale wireless projects which represent about 2% of the total CCTV market, IP has very few advantages compared to analog based on performance, cost and reliability.



Analog transmits over the internet faster and uses less bandwidth this allows you view you cameras in real time and control PTZ cameras, IP has to much lag and latency to do either properly as it has to transmit and receive video over the network.



IP or Analog why choose ?

What Ascendent Technology has done is allowed our X4S standalone DVR's to work as IP servers to convert analog cameras into IP cameras ( 4/8/16ch) in a U1 or U2 rack mountable case. Its the best of both worlds a standalone DVR that works autonomously with storage, playback and search, with the features of IP cameras to distribute video over networks and record on NVR's making a humongous CCTV system powered by Ascendent's Tri-fusion platform. ( Ascendents oes not charge for their 64CH NVR/Client software )



Scalability and flexibility

Ascendent's standalone, PC- DVR's and IP cameras can record at one resolution and stream at another, its integrated VBR and CBR lets you manage the amount of data and bandwidth that is used by each camera individually giving you the security and reliability of analog with the flexibility and interoperability IP to offer unlimited expandability by adding 1-64 cameras at a time. Ascendent's X4 Trifusion platform integrates the X4 PC, X4S standalone DVRs, X4-IP-Pro and, IP HD mega pixel cameras simultaneously. The Tri-fusion platform not only manages video but can integrate access control, analytics, biometrics, building management, NVR/DVRs, and other 3rd party applications from the leading security providers.



Cost Effective

The X4 Trifusion platform takes full advantage or prior security investments and existing wiring infrastructures while offering the best of breed technology creating a cost effective long term solution to suite the needs of small business to global enterprises.(unlike most companies Ascendent does not charge for their software you buy an IP product it will ship with our 64CH NVR server/client software)



IP cameras are usually based on CMOS

Analog cameras are based on CCD (usually)



CMOS has some significant disadvantages compared to CCD, this means CMOS

have inferior ability to cope with ambient lighting such as back light, bright, deep shadows contrasts, low light and IR this is also known as the real word.



File Size:

The smaller the files size the more images that are able to be sent and the faster they can be processed improving both FPS and speed. File size is the heart of any DVR and goes far beyond just its streaming capabilities as it also determines the recoding storage time, how much you can back up at once, how fast it renders and searches video. The file size of a DVR impacts the performance of the DVR in just about every aspect from speed to longevity and is often the most import spec of any DVR.





Most routers are not designed to handle IP cameras they have enough bandwidth but they are not able to process the amounts of commands. (9 IP cameras 30FP is 230 instructions per second) standard routers have enough bandwidth (up to 1GB) but cant handle the amount of tasks (instructions) so frames get dropped latency is introduced effectiveness of other devices such as POS, printers and data storage are affected and compromised.





The best solution is using analog cameras with dvr's that have the ability to convert analog cameras into IP devices, that have on site storage so you only stream video over the network when you are viewing your cameras either LAN or WAN or to and from multiple sites.



Email: [e-mail]

http://www.ascendentgroup.com/