Guest Lorraine Posted January 2, 2006 Share Posted January 2, 2006 Hi everyone, I am currently wrapping up my alarm install, I have completed the bottom of my house and the garage but I have a question regarding the texecom remote expander. I have an odyssey bellbox on my wall and the connections are permanent +12v Siren -ve applied strobe -ve applied permanent 0V Tamper return. addiotinally there is MSW1 and MSW2 which are either sides of the micro switch that trips when you take the cover off. Basically I would like to know how to wire the aux tamper of my remote expander to the bell box? I was going to run 1 core from MSW1 to + on the remote expander and 1 core from MSW2 to - on the remote expander, however having thought about this a bit more I was worried I would lose the engineer hold off option which I quite like. If anyone has any good ideas around my problem. I would be much appreciated. Thanks in advance Lorraine Link to comment Share on other sites More sharing options...
Guest Alarm Guard Posted January 2, 2006 Share Posted January 2, 2006 If you have a spare zone on your expander, use that and programme it as tamper. You can invoke hold off mode for the external unit regardles of how the tamper wiring is done.... See the programming manual for the unit Link to comment Share on other sites More sharing options...
cdosrun Posted January 2, 2006 Share Posted January 2, 2006 Hello Lorraine, I am a little confused, why are you wiring the bellbox back to the expander? The main control panel should have the bell outputs on it. However if you want to use the expander, the auxilliary input requires a 0v input, so you could connect the tamper return from the bellbox to auxilliary in (I would guess on the + input, but I am sure the pros know). That way, the bellbox can be connected exactly as it would be on the control panel, with the outputs configured for strobe and SAB (as required), and you can leave the micro-switches connected to the bellbox and not use any additional cores). The engineer hold-off should not be affected like this. Your suggestion for the connection would work, providing you shorted the msw pins on the bellbox, but then it would never be aware if the lid was off and invoke the hold-off mode (disabling strobe etc.), but the alarm wouldn't sound anyway. So my suggestion would be: Odyssey - Expander A - +ve B - Output 1 (configured as SAB) C - Auxilliary (+ve, I think. Programmed as bell tamper) D - -ve S - Output 2 (configured as strobe) I think the above is correct, but I am sure someone more qualified than I will advise you shortly if it isn't. Andrew Any statement made or information provided in this post are the mere opinions of the author, and no inferrence is to be made as to the quality of information nor should any reliance be placed upon its contents. Link to comment Share on other sites More sharing options...
Guest Lorraine Posted January 2, 2006 Share Posted January 2, 2006 Hi everyone, thanks for the suggestions, I should have made myself a bit clearer! Currently I have two bell boxes, one on the front of my house and the other on my garage. The siren on the front of my house is SAB and the all connections come back to my panel. Now my other siren is on my garage and is SCB as advised by some of the chaps on this board. All connections come back to the panel apart from the tamper which at present isn't connected to anything. I would like to wire this connection to my remote expander so I can differentiate between tampers on my two sirens - if that make sense?! thanks in advance Lorraine. Link to comment Share on other sites More sharing options...
Guest Posted January 2, 2006 Share Posted January 2, 2006 I'm a bit confused. If all the cables from the bell end up at the panel then how does the tamper from the same bell end up at a remote expander? Link to comment Share on other sites More sharing options...
cdosrun Posted January 2, 2006 Share Posted January 2, 2006 Monteey, please don't think me rude, but the current draw required of the outputs is extremely small, the large current drawn is either from the power terminals (A&D) or the battery. I have just hooked up an odyssey 1 and measured the current drawn by both the strobe and sab inputs (S/B) at 0.47ma, that should be quite manageable by the expander, or have I made a mistake? Andrew Any statement made or information provided in this post are the mere opinions of the author, and no inferrence is to be made as to the quality of information nor should any reliance be placed upon its contents. Link to comment Share on other sites More sharing options...
Adi Posted January 2, 2006 Share Posted January 2, 2006 Are you sure thats not 470ma. I really can't be ar**** with it anymore. Link to comment Share on other sites More sharing options...
cdosrun Posted January 2, 2006 Share Posted January 2, 2006 Yes, ADI, I was on the 20ma range of my multi-meter (good point though). I took three current readings between the terminals and 0v. If you take a look at the PCB, you can trace the inputs going into an IC on the back of the panel, so it seems unlikely that it would take a high current draw, it is only a signalling circuit. Andrew Any statement made or information provided in this post are the mere opinions of the author, and no inferrence is to be made as to the quality of information nor should any reliance be placed upon its contents. Link to comment Share on other sites More sharing options...
breff Posted January 2, 2006 Share Posted January 2, 2006 If the bells set to scb then current is drawn from its own battery except for the strobe which is less than the 100ma output on the expander. The opinions I express are mine and are usually correct! (Except when I'm wrong)(which I'm not) Link to comment Share on other sites More sharing options...
Guest Lorraine Posted January 4, 2006 Share Posted January 4, 2006 hi everyone thanks for the replies, I shall be attempting it this weekend! Link to comment Share on other sites More sharing options...
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