stuart1875 Posted February 26, 2010 Share Posted February 26, 2010 Hello I'm looking to see if anyone can help I've recently bought a eurosec cpx control panel and I was wondering if I need to wire an additional power supply so I can connect the 7 pir's and 4 shocktec door contacts, Or is it possible to power them via the aux 12v. The pir's nominal current is 16mA and the door cont's 7.5mA, according to my calculations this will over-load the system. If so can anyone recommend a suitable add. power supply so I can split the load. Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted February 26, 2010 Share Posted February 26, 2010 Id suggest you are getting your decimal places mixed up. What have you calculated your total load to be? Quote Link to comment Share on other sites More sharing options...
stuart1875 Posted February 26, 2010 Author Share Posted February 26, 2010 I've calculated the total load to be 1.42A with the aux 12v only supplying 1A. Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted February 26, 2010 Share Posted February 26, 2010 ok so using your supplied current draws 7 x 16mA = 112mA 4 x 7.5mA = 30mA 112mA + 30mA = 142mA 142mA = 0.142A so unless you have a maglock on it somewhere i reakon youve got your decimal points mixed up James Quote Link to comment Share on other sites More sharing options...
stuart1875 Posted February 26, 2010 Author Share Posted February 26, 2010 No there's no maglock just me being a bit thick. Thanks for your help Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted February 26, 2010 Share Posted February 26, 2010 anytime Stuart James Quote Link to comment Share on other sites More sharing options...
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