12V in to wake up pdm30

Discussion and support for MoTeC Power Distribution Modules

12V in to wake up pdm30

Postby TrophyBurro on Wed Jul 07, 2021 10:09 am

Hi guys. Im at the planning stage on a pdm30 / pdm15 set up.
The only part I cant work out is how to wake the PDMs up. There does not appear to be a 12V in switch
when I look at the pin out.
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Re: 12V in to wake up pdm30

Postby SDean on Wed Jul 07, 2021 1:35 pm

Hi,

When power is applied to the 12V+ stud, and the two ground pins are wired to ground, then the PDM will turn on when power is supplied to the stud, it does not need another switch to turn it on.
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MoTeC Research Centre Melbourne, Australia
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Re: 12V in to wake up pdm30

Postby TrophyBurro on Wed Jul 07, 2021 11:00 pm

that being the case how do we turn it off from an external 12v switch?
I have a kill switch on the dash
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Re: 12V in to wake up pdm30

Postby greenamex2 on Thu Jul 08, 2021 6:37 am

Either cut the power to the pdm using a battery cutoff "relay/switch" or cut the earth's with the same.

What are you trying to achieve?
Motec CDL3+M130+LTCD+MDD+PDM15+PDM16M
Nissan VQ30DE fitted to an AM Sportscars EX2 with a Hewland HP 2000
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Re: 12V in to wake up pdm30

Postby TrophyBurro on Thu Jul 08, 2021 7:23 am

Just a switch outside of the can network that will turn everything off in emergency
fuel pumps mainly.
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Re: 12V in to wake up pdm30

Postby greenamex2 on Thu Jul 08, 2021 7:51 am

TrophyBurro wrote:Just a switch outside of the can network that will turn everything off in emergency
fuel pumps mainly.


So you want a simple "master switch" input and set any outputs you want it to shut down.
Motec CDL3+M130+LTCD+MDD+PDM15+PDM16M
Nissan VQ30DE fitted to an AM Sportscars EX2 with a Hewland HP 2000
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Re: 12V in to wake up pdm30

Postby TrophyBurro on Thu Jul 08, 2021 9:44 am

greenamex2 wrote:
TrophyBurro wrote:Just a switch outside of the can network that will turn everything off in emergency
fuel pumps mainly.


So you want a simple "master switch" input and set any outputs you want it to shut down.



perfect thanks sir !!
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