xt600
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Posts posted by xt600
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22 minutes ago, PeterJames said:
Its hard to test the battery without a proper battery discharge tester. The best way to work out the battery size needed is to see what current the system draws and x that by 10 that will give you the minimum battery size required to last for 12 hrs, if you want need it to last longer add another PSU and battery rather than expecting the smaller panel PSU to cope.
Are you talking about the current drawn while the system is set normally, or the current drawn when all bells an whistles are ringing?
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3 minutes ago, PeterJames said:
Of course a transformer will wear out, they wear out in normal use let alone when they are being overloaded. Transformers are a moving part in your panel that's the bit that hums, they are vibrating the more they hum the more they are vibrating which is wear. But it also puts a strain on the components the bridge rectifier and diodes that go into making the charging circuit
That's an interesting concept. I've always understood 'wear' to be caused by the friction of different parts moving against each other. I would've thought a transformer's core, windings and varnish coating would move as one while vibrating.
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Thanks for all your advice guys, I'll stick in a smaller battery and see how it goes. System has been running for nearly 12 years now, 9 of which it has had the larger battery. Only really started having these issues at the last battery change.
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5 minutes ago, james.wilson said:
it will melt the varnish of the windings, but id assume the reg will fail first, taking the br with it, then the tx
ideally that will cause an mcb trip, but if your on rewireable fuses who knows. Been many appliancies caused issues
It should take out the 3A fuse before the MCB, hopefully :-)
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39 minutes ago, PeterJames said:
As James says a flat 7Ah will draw more power than the PSU is designed to supply, therefore putting unnecessary strain on the transformer, eventually wearing it out.
Its like using a Nissan Micra (Your PSU) to tow a fully loaded truck up a hill (Your battery)
People often think that bigger is better without taking into account that the current required to charge it when its fully discharged.
I see what you are saying but will a transformer 'wear out'? I can understand how it may get hotter than it should if it's under too much load but it will carry on working as it should until it eventually burns out, and stops working. Won't it?
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22 hours ago, PeterJames said:
Just another point I would not recommend installing a battery bigger than 3.4Ah the PSU is only about 1amp the current draw on a flat 7Ah will knacker the psu
That's an interesting point. The battery is the biggest I could squeeze in, bigger than the original. When you say knacker the PSU, what do you mean? Wouldn't a PSU either 'work or not work' and if it's not working, then the battery would be completely dead by now wouldn't it?
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On 1/4/2018 at 07:27, aissecur said:
When you next visit maybe worth taking your multimeter to ensure all the voltages the panel is outputting are correct & within tolerance..
If you have a phone line at the property I seem to think you can remote dial into the panel (Like you can on the 595 / 600 panels), that may help you get a better understanding if your such a log distance away
Yes, I'll definitely check the voltages, no phone line at the property though...
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9 minutes ago, PeterJames said:
All events leading up to watchdog should be there, I am fairly certain of this I removed an NVM (Non Volatile Memory) from a panel that had been in a burned down building in order to read the log from it, it told me everything that had happened prior to watchdog. And that panel had been subject to extreme temperature and water ingress. It was from a slightly bigger panel than a CPX but I am sure that the CPX boasts a 200 event log NVM.
Thanks PJ, I'll take another look at this when I visit in a few weeks. I'm hoping you're right as it may well help diagnose the problems I'm having.
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7 minutes ago, al-yeti said:
I wonder if the devices are pulling the output down depending on sounder current
I'm not sure I understand what you mean.
I do know that there is 1Amp available on the bell output (1A fuse protected) and I have 3 loud sounders embedded into the ceilings, not sure what they are pulling but they've never blown the fuse :-)
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I do recall the log reporting 'battery volts low' on occasions before this started happening. I fitted a new battery, but am now wondering whether the battery I fitted was as good as it should be (could've been collecting dust in the shop for too long!)
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1 hour ago, PeterJames said:
Besides the watchdog what else is in the log, if you look further back it will tell you what time day the mains failed, therefore you can work out if its a complete power failure causing the problem or if its getting spiked when the power comes back on.
I'm pretty sure that when this happens, the log is wiped and no other events are recorded. I certainly couldn't find any last time it happened but will try again next time I visit the property.
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1 hour ago, al-yeti said:
Triggering you mean intruder trigger or bell trigger
Bell output and intruder outputs can be different on some panels
My panel has a sab output, to which the external bell box is connected. It also has a bell output, to which I have connected 3 internal sounders, and the dialler. I assume in the event of an alarm both these outputs are triggered.
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I suppose my questions are:
1: Is a total power loss caused by a powercut and subsequent discharged battery the only reason for the watchdog to occur?
2: Will a powercut resulting in low battery voltage always trigger a full alarm? (seems strange to waste remaining battery power by turning on all bells when there isn't actually a break-in, or sensor activated?)
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Thanks guys, the dialler is this one: https://www.adventcontrols.co.uk/products/gsm-cell-phone-dialer-sms-sender-fire-burglar-alarms
I have it wired to the output terminals so will text me when alarm bells are triggered. There are some other outputs on it which I plan to use to inform me when power is lost/restored, but I've yet to wire this in, I need to sort the ongoing issues first.
I think it's unlikely that the dialler is triggered when power is lost/restored at the moment though, it just triggers on 'bells on'.
This doesn't happen when I simulate a power cut/restoration, so I'm assuming it only happens after a prolonged power cut.
Is a total power loss caused by powercut and subsequent discharged battery the only reason for the watchdog to occur?
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Hi all, I have a Eurosec CPX system which I installed about 10 years ago. It has proved very reliable, and until recently, never given a false alarm. Because the property is in a remote location in a different country I have also fitted a gsm dialler so I get a text when it gets triggered. Over the last few months, the alarm has been triggered several times, and I think this may be related to local power cuts. When I last visited the property the RKP had 'watchdog reset' logged, and the date reverted back to Jan 1.
I fitted a new battery less than a year ago, the largest I could squeeze into the panel. My question is, would/should a power failure and or discharged battery trigger a full alarm? Any info greatly appreciated :-)
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3 hours ago, sixwheeledbeast said:
You are going to need to know:-
What the alarm system is and if there is an output available for that.
What the lighting is, how it is wired and how much load the lighting is. A simple mains relay may fail switching heavy loads.
The lighting is just a couple of 30W led fittings, so only about 0.2A
I'll check the panel to see if it's suitable...
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Thanks, I'll take a look at the panel when I'm there next week. Would one of these do the job or is there a more 'professional' version? http://www.ebay.co.uk/itm/like/121950780746?ul_noapp=true
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I've been asked to install some security lighting at a private dwelling, but the client only wants it to be activated when the alarm is set. I'm assuming, or rather hoping, that the alarm panel has some form of switched output when the alarm is set. Do most panels have this? (I'm not sure as yet as to the make/model of this panel)
Also, can anyone suggest a relay to use so that I can switch on the 240v security lighting when the alarm is set?
thanks.....
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Ok, thanks for your advice
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A monitored device,Redcare webway etc
Probably not of much use to me, the house is in Bulgaria....
Any gsm dialler , but better get a monthly SIm deal , and then again to get good use of it change the panel so you can get full notifications , otherwise you have keep an eye on a payasyou go chip
So will any gsm dialler be compatible with my eurosec CPX and is it straightforward enough to wire? I'll have to look at the mobile deals in Bulgaria to see if there's one cheap enough for this kind of use ;-)
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What will I need to use gsm? Not sure what you mean by 'Proper signalling'
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Can anyone please tell me it it's possible to fit a dialler to this system which can call up a mobile phone? (no landline here) Thanks....
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hpotter where art thou?
Missing since 2011??
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After nearly 10 years of service this alarm system finally sounded in anger last month when someone broke their way in through the roof and into my house while I was away. A few things stolen but could've been a lot worse, I think the sounders I built into the ceilings must have made their ears bleed
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Watchdog reset?
in !!..DIY Installers..!!
Posted
*Power Supply Rating It should be noted that the eurösec CPX has 1 Amp available for the full system. However, for the purpose of compliance to EN and PD6662 standard, the capacities of the power supply have to be specified differently. For a Grade 2 system you have 72 hours to charge the battery. With the CPX Control Panel, 90mA is available for battery charging. This defines a theoretical maximum standby battery capacity of 8.0Ah and a maximum of 666mA available for system power. If a smaller capacity battery is used then the rating has to be reduced accordingly. For example: If a 7Ah battery is used it will recharge in 72 Hrs and will theoretically provide 910mA (1000-90mA) for the system. However, the supply rating for that system under PD6662 is still 7.0Ah/12hrs = 583mA. Sounders, detectors and other auxiliary items should be included when calculating current drawn by the system.