JDB Solutions Posted May 10, 2017 Share Posted May 10, 2017 See image here i have the following on the power supply: red= AC24V black= AC24V yellow&green= earth On my power supply it is PTZ 3.0 Amp 24V Supply I have a black 2 core cable from the transformer so do i just connect these to the red and black or has the red and black to go together and then the earth on the other core of the transformer? it isnt very clear so i just want to be sure? I look forward to hearing from you soon! Thanks Jack Quote Link to comment Share on other sites More sharing options...
ElecTech Posted May 10, 2017 Share Posted May 10, 2017 (edited) Are you in the industry or DIY? *answer to question - connect one black wire to RED, one to BLACK. Earth goes to a similar earth. Edited May 10, 2017 by ElecTech Quote Link to comment Share on other sites More sharing options...
norman Posted May 10, 2017 Share Posted May 10, 2017 1 hour ago, ElecTech said: Are you in the industry or DIY? I'm going to take a punt... Quote Nothing is foolproof to a sufficiently talented fool. Link to comment Share on other sites More sharing options...
JDB Solutions Posted May 10, 2017 Author Share Posted May 10, 2017 I tried this and it didn't seem to work the IR's on the dome did not light up i have covered up the photocell on the dome however it didn't light up Any ideas? I thought possibly the RED & BLACK if they are AC24V pay both be positive and the other earth may be the earth/ negative on the twin core? Thanks for your response, i am TRADE- JDB Solutions in Glasgow I tried this and it didn't seem to work the IR's on the dome did not light up i have covered up the photocell on the dome however it didn't light up Any ideas? I thought possibly the RED & BLACK if they are AC24V pay both be positive and the other earth may be the earth/ negative on the twin core? Image attached of actual camera. Quote Link to comment Share on other sites More sharing options...
petrolhead Posted May 10, 2017 Share Posted May 10, 2017 Maybe the 0 is missing maybe it's ac240v? Quote Link to comment Share on other sites More sharing options...
JDB Solutions Posted May 10, 2017 Author Share Posted May 10, 2017 I thought the negative was missing however its AC24V? Quote Link to comment Share on other sites More sharing options...
MrHappy Posted May 10, 2017 Share Posted May 10, 2017 15 minutes ago, JDB Solutions said: I tried this and it didn't seem to work You check your transformer works by measuring the output on volt meter (a/c selected) Quote Mr Veritas God Link to comment Share on other sites More sharing options...
petrolhead Posted May 10, 2017 Share Posted May 10, 2017 There is no negative on ac. Quote Link to comment Share on other sites More sharing options...
al-yeti Posted May 10, 2017 Share Posted May 10, 2017 2 hours ago, MrHappy said: You check your transformer works by measuring the output on volt meter (a/c selected) Seems like the way to go, buy a multimeter and measure the tx output , and maybe curiosity if you know how to use multimeter see if ptz is drawing any current at all Model of ptz might be helpful? Quote Link to comment Share on other sites More sharing options...
petrolhead Posted May 10, 2017 Share Posted May 10, 2017 I still reckon try it on 240. Quote Link to comment Share on other sites More sharing options...
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