06-01-2019, 09:01 PM
Polarity of Pilot-24 Lite DC output?
I'd like to find out the polarity of the DC output from the Medistrom Pilot-24 Lite battery. That is, is it center positive, or center negative?
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Polarity of Pilot-24 Lite DC output?
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Polarity of Pilot-24 Lite DC output?
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Polarity of Pilot-24 Lite DC output?
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psteckler
Posts: 7 Threads: 1 Joined: Jun 2019
Machine: AirMini Auto 
kotaKat
Posts: 32 Threads: 3 Joined: May 2018
Machine: DS1 Auto, DS Go, Transcend Micro
06-04-2019, 09:14 AM
RE: Polarity of Pilot-24 Lite DC output?
As soon as I have my Dreamstation Go adapter, I'll have that info for you. I already know which pins on the 8-pin on the DS side are ground, so I can tone out the DC jack end for you in a couple days.
meow, I'm a bobcat.
@home: DS1 Auto, F&P HC150, Dreamwear FullFace @travel: Transcend Micro, USB-C PD cable, Anker GaNPrime 65W brick, Sleepweaver Anew -- all in a dopp bag
psteckler
Posts: 7 Threads: 1 Joined: Jun 2019
Machine: AirMini Auto
06-04-2019, 09:20 AM
RE: Polarity of Pilot-24 Lite DC output?
kotaKat
Posts: 32 Threads: 3 Joined: May 2018
Machine: DS1 Auto, DS Go, Transcend Micro
06-05-2019, 05:05 PM
RE: Polarity of Pilot-24 Lite DC output?
Center positive, outer negative. Just toned the cable (and scored the confirmation of the Molex Micro-Fit pinout on the Dreamstation Go).
meow, I'm a bobcat.
@home: DS1 Auto, F&P HC150, Dreamwear FullFace @travel: Transcend Micro, USB-C PD cable, Anker GaNPrime 65W brick, Sleepweaver Anew -- all in a dopp bag
psteckler
Posts: 7 Threads: 1 Joined: Jun 2019
Machine: AirMini Auto
06-05-2019, 05:32 PM
RE: Polarity of Pilot-24 Lite DC output?
kotaKat
Posts: 32 Threads: 3 Joined: May 2018
Machine: DS1 Auto, DS Go, Transcend Micro
06-05-2019, 06:27 PM
RE: Polarity of Pilot-24 Lite DC output?
I just put a $1k Dreamstation Go on the line myself. You're good. Center positive, outer negative. More on this project on my thread in a bit.
meow, I'm a bobcat.
@home: DS1 Auto, F&P HC150, Dreamwear FullFace @travel: Transcend Micro, USB-C PD cable, Anker GaNPrime 65W brick, Sleepweaver Anew -- all in a dopp bag
psteckler
Posts: 7 Threads: 1 Joined: Jun 2019
Machine: AirMini Auto
06-05-2019, 06:43 PM
RE: Polarity of Pilot-24 Lite DC output?
(06-05-2019, 06:27 PM)kotaKat Wrote: I just put a $1k Dreamstation Go on the line myself. You're good. Center positive, outer negative. More on this project on my thread in a bit. I like to hear confidence, thanks so much! I'm building a power supply for the Resmed, hope it to have it built soon, and will report here.
Sleepster
Wiki Editor 
Posts: 6,971 Threads: 100 Joined: Feb 2012
Machine: ResMed A10 VAuto
06-05-2019, 07:39 PM
RE: Polarity of Pilot-24 Lite DC output?
(06-05-2019, 06:43 PM)psteckler Wrote: I'm building a power supply for the Resmed, hope it to have it built soon, and will report here. There was an in-depth thread on this topic somewhere. In addition to the 24 volts DC, there's another conductor used to send a proprietary signal. Somebody figured out how to do it, though, IIRC.
Sleepster
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
psteckler
Posts: 7 Threads: 1 Joined: Jun 2019
Machine: AirMini Auto
RE: Polarity of Pilot-24 Lite DC output?
(06-05-2019, 07:39 PM)Sleepster Wrote: There was an in-depth thread on this topic somewhere. In addition to the 24 volts DC, there's another conductor used to send a proprietary signal. Somebody figured out how to do it, though, IIRC. I'm following an example on another bulletin board. A fellow there removed the plug from the Resmed cable, and connected only positive and negative wires to a boost module, no other signal or voltage involved. I'm planning to keep the plug, and use a panel jack to connect to the module (hence the need to know polarity). The plug appears to be an ordinary 5.5x2.5mm barrel plug.
kotaKat
Posts: 32 Threads: 3 Joined: May 2018
Machine: DS1 Auto, DS Go, Transcend Micro
06-05-2019, 07:55 PM
RE: Polarity of Pilot-24 Lite DC output?
Even the Medistrom cable offered for the AirMini most likely is just the 24VDC only. None of the other 4 pins on the DSGO connector are connected on mine, just two ground and two +24V.
meow, I'm a bobcat.
@home: DS1 Auto, F&P HC150, Dreamwear FullFace @travel: Transcend Micro, USB-C PD cable, Anker GaNPrime 65W brick, Sleepweaver Anew -- all in a dopp bag
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Polarity of Pilot-24 Lite DC output?
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Polarity of Pilot-24 Lite DC output?
