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Cine Live 12/24 power cable ideas


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#1 Osvaldo Silvera SOC

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Posted 26 April 2014 - 05:24 AM

Hi Cine Live owners..

 

 What is everyone powering off their 12/24 3 pin lemo connectors on the Cine Live?

 

Other than the BFD or Preston up front of course.

I presently power my BFD with one wired for 12 volts.

 But what would folks recommend also having made?

 3 pin to Female D Tap?

 

What is the Amp limit on cables plugged there as opposed to the much larger 3 pin CAM Pwr connector?

 

Ozzie


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#2 John Stout

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Posted 26 April 2014 - 07:18 AM

I have a Terry West J Box that I power off of one.  It usually runs the Decimator, Paralinx and an HDMI to SDI converter if need with smaller cameras.  Our Paralinx is on a 2 pin lemo on that J box though and the Parlinx USB to Lemo are 2 pin cables so nobody lets the white smoke out of the Paralinx by accident.

 

We also power smaller cameras off of that port with Terry West cables.  For 5D and a Panasonic camera we use a lot we have battery emulators to that connector.  For BlackMagic we have a cable with that end as well.

 

Also power the teleprompter monitor off of it via 3 pin to 4 pin XLR.

 

John


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#3 Osvaldo Silvera SOC

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Posted 26 April 2014 - 11:04 AM

Thank you John,
Question..do the battery emulators do the drop down on their own inside the dummy batteries, or better said.you feed it 12v from the 3 pin and then the emulator feeds the camera the necessary 7.2v, 9v, etc...?
Ozzie
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#4 Alan Rencher

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Posted 26 April 2014 - 12:57 PM

Ozzie, I've made some dummy batteries with regulators built into them. It's a pretty easy hack.
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#5 John Stout

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Posted 28 April 2014 - 04:00 PM

Mine are the emulators from the camera manufacturer.  I send them to Terry and he puts a cable and 3 pin lemo on them.

 

They look just like the camera battery, just have a cable coming out.

 

He also makes sure the voltage is right when he builds them and puts in any regulators that need to be put in place.

 

John


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#6 Jarrett P. Morgan

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Posted 28 April 2014 - 11:50 PM

The connector itself is rated from lemo at 8 amps per contact. That being said, I imagine you would probably max out the post cabling (from the aux battery) far before the connector. I would bet that you could at least put 3-5 amps on it no problem. The 24v side you could probably do even more since the 24v is made using the same two batteries as the camera connector. Hypothetically you could probably power an Alexa off of it (~5.5 amps at 24v) though I would never tell anyone to do it.


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#7 thomas-english

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Posted 29 April 2014 - 02:55 AM

Out of interest; what are the internal cables rated at amps wise? The AUX cable and the main power cable? On the CineLive. 


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#8 brett.mayfield

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Posted 12 May 2014 - 09:41 PM

hey ozzie

 

i had alan build this 3-pin lemo to ptap splitter and i use it on every shoot now. the other 12/24 i leave for the cmotion. i am considering a hirosi version of this too. i believe brian freesh may have a version of this.

 

brett.

 

IMG_20140417_112832191_zpsfdf3ef75.jpg


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#9 Alan Rencher

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Posted 23 May 2014 - 08:18 PM

I also just made a version of this cable for use with older Pro sleds: http://mkt.com/alan-...-breakout-cable

 

IMG_20140523_083533951_HDR.jpg


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#10 Alan Rencher

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Posted 24 May 2014 - 10:35 PM

Thank you John,
Question..do the battery emulators do the drop down on their own inside the dummy batteries, or better said.you feed it 12v from the 3 pin and then the emulator feeds the camera the necessary 7.2v, 9v, etc...?
Ozzie


Ozzie, I put my version of the DSLR dummy battery regulator on my safe. It has all the necessary protection circuits:

http://mkt.com/alan-rencher/dslr-p-tap
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