Using PDM to control fuel pump output

Discussion and support for MoTeC Power Distribution Modules

Using PDM to control fuel pump output

Postby alexmas0n on Fri Sep 16, 2016 10:30 pm

Hi, I have a fuel pump that I control with the pdm now just using a digital input from my stock ECU. i havea fuel pressure reading being sent by my dash to the CAN bus which i read on the pdm. I was wondering if I could set up a rule that would cycle at a fast enough rate to have the pump target a specific fuel pressure and maintain it, thus keeping the pump working less,
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Re: Using PDM to control fuel pump output

Postby adrian on Mon Sep 19, 2016 11:53 am

The PDM only operates at 50Hz which is not fast enough to PWM a fuel pump.
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