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John_ch

Connect PTZ camera to Hikvision DVR

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Hi all, I am having trouble connecting a Samsung ptz camera to my Hikvision system. When connected it flickers between a dark picture to normal for a brief second. When it is bright, I can control it via the coax and dvr. When it’s dark, nothing! Any ideas? I will link a couple of clips.

https://www.facebook.com/100005618645184/videos/1249441082494607/?fs=e&s=cl

https://www.facebook.com/100005618645184/videos/1442446726198211/?fs=e&s=cl

 

i forgot to say, If I connect it directly to my monitor and joystick control, it’s perfect. Also when I use my test monitor 

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Hi Tom,  I am using a 24v box that has 8 connections available. Only using one and it’s powered with the shotgun cable. 
What’s annoying is…. When I put it on the test monitor, the picture is perfect. The same if I plug it directly into the monitor and use the joystick pad, perfect picture. It’s only when I connect to the dvr. Even a short patch lead gives me the same problem. I have 2 cameras and they both give the same results. All my 12v cameras are perfect. 

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Hi can you turn the power cables  red into - and  black into + …… only at power supply end
 

also what size is your power supply

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Hi Tom, changing the polarity does not make any difference. The power supply is a pow500 6A with 6 outputs. 

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Ok for over 1amp one fuse needs to be changed and rest of fuses removed

 

how far is ptz from power supply and dvr

which bosh are you using ?

do you have a multi meter

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Thanks again for the help!

so remove all the fuses and replace with a single 6amp?

It’s a Samsung SCP-3371P, my multimeter is with a friend (going to pick it up tomorrow) 

would a separate 24v supply be better?

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22 hours ago, John_ch said:

would a separate 24v supply be better

Hi. How many cameras do you have on the supply ?

 

also still need to know how far power run is. 
 

the multi meter is to check the voltage on the BNC at back of dvr for ptz

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Hi, 

I only have the 1 camera on this supply, the others are on a 12v box. The run is only about 30’

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