system
October 23, 2011, 12:28am
1
Hello,
I have a project that has 2 power supplies. One is a 12v supply and the other is a pc power supply with 24v (+12 to -12).
I am obviously going to have to common the grounds together, so my question is; Can I connect the -12v line to the ground of the other power supply to still get 24v out of the pc supply?
I don't think it will work but I just wanted to check.
Thanks
Ash
JoeO
October 23, 2011, 1:34am
2
I am not trying to be smart or degrading:
Maybe, but if you have ask, then you shouldn't be trying it.
Just buy a 24 volt supply. It will be safer and cheaper in the long run.
system
October 23, 2011, 2:10am
3
FYI I am trying to help out a not-for-profit organisation so money is an issue.
Your reply was not very helpful, but thanks.
JoeO
October 23, 2011, 2:55am
4
Ashduino:
FYI I am trying to help out a not-for-profit organisation so money is an issue.
Your reply was not very helpful, but thanks.
Whether you are doing this for a not-for-profit or a million dollar corporation, safety is still the first priority.
You are welcome.
Do you want to get +12V and +24V out as voltages?
If the supplies are isolated from each other, than connecting the -12V to Gnd and using its +12V as 24V could be doable.
system
October 23, 2011, 4:38am
6
Yes the supplies are isolated. Thanks for your reply. I will give it a try.
lRaHl
October 23, 2011, 5:51am
7
JoeO:
Ashduino:
FYI I am trying to help out a not-for-profit organisation so money is an issue.
Your reply was not very helpful, but thanks.
Whether you are doing this for a not-for-profit or a million dollar corporation, safety is still the first priority.
You are welcome.
I believe that is why he/she asked the question on this forum.