Hi all, I have the above issue ( well not really an issue) but I would like to try and sort it out. I have an alarm system with 2 live bellboxes all on SAB mode and a slave sounder which are all fed by a (elmdene) 2 amp psu, the main control panel feeds everything else on the system, keypads,pirs internal sounder dailler, trigger and tamper relays ect. The alarm works fine btw.
Anyway without boring you all I will get to the point. If the main control panel is disconnected the bellboxes will not self activate as it does not power them the panel only triggers them via the relays. However there is a double pole relay mounted in the panel which is for the tamper from both bellboxes, the panel feeds this relay The panel has an 8 core running to the psu this contains the supplies the bell and strobe trigger relays mounted inside the psu, the negative reference point and finally the 2 tamper returns from the bellboxes (one of the tamper returns loops via the slave sounder cable then via the psu tamper switch then to negative input on tamper relay inside the panel).There are 2 unused cores (brown and orange) from this cable.
My plan is to use the spare contacts from the tamper relay in the panel as its a double pole, I would connect the negative from the panel to the common and connect one of the extra cores say the brown to the NO terminal on the relay and inside the psu I would connect this brown with the bell trigger wires in the NO terminals on the trigger relay.
So hopefully this setup will mean if the panel is disconnected it will trigger the bellboxes as the tamper relay in the panel will lose power and trigger the sounders. sound good? one last thing will this damage the panel due to the negative being linked to the psu negative?
Hope this is clear. Iv'e tried to explain the set up as best as I can in absence of a picture.
Any help would be great cheers
Anyway without boring you all I will get to the point. If the main control panel is disconnected the bellboxes will not self activate as it does not power them the panel only triggers them via the relays. However there is a double pole relay mounted in the panel which is for the tamper from both bellboxes, the panel feeds this relay The panel has an 8 core running to the psu this contains the supplies the bell and strobe trigger relays mounted inside the psu, the negative reference point and finally the 2 tamper returns from the bellboxes (one of the tamper returns loops via the slave sounder cable then via the psu tamper switch then to negative input on tamper relay inside the panel).There are 2 unused cores (brown and orange) from this cable.
My plan is to use the spare contacts from the tamper relay in the panel as its a double pole, I would connect the negative from the panel to the common and connect one of the extra cores say the brown to the NO terminal on the relay and inside the psu I would connect this brown with the bell trigger wires in the NO terminals on the trigger relay.
So hopefully this setup will mean if the panel is disconnected it will trigger the bellboxes as the tamper relay in the panel will lose power and trigger the sounders. sound good? one last thing will this damage the panel due to the negative being linked to the psu negative?
Hope this is clear. Iv'e tried to explain the set up as best as I can in absence of a picture.
Any help would be great cheers
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