Re: Modifing pulses and analog signals to the PCM

From: WOT or waiting at a Red (dakatack@home.com)
Date: Thu Mar 01 2001 - 12:24:48 EST


Thanks Bernd

I'm digging into the FSM and will start testing sensors on the Dak. What do
you think of the usefulness of real-time changes to the sensor outputs in
the Cab?

Patrick O'Day

----- Original Message -----
From: <bernd@texas.net>
To: <dakota-truck@buffnet.net>
Sent: Thursday, March 01, 2001 3:05 AM
Subject: Re: DML: Modifing pulses and analog signals to the PCM

>
> I'll dig around and put all of my data together for ya. Mainly MAP and
TPS
> though.
>
> - Bernd
>
> > I've been reading all the post, current and archive, to try to
understand
> > the PCM in my Dak better. The reason I am interested is I have been
> > considering the possibility of using a small PLC (programmable logic
> > controller) to interface key sensors to the PCM. Coupled with a simple
OI
> > (operator interface) you could take the incoming signals, buffer them
(read
> > change them) and send them on there way to the PCM.
> >
> > This would allow real time in the cab tweaks!
> >
> > I need to make a list of the sensors that would be desirable for this to
> > work on. Also need the parameters of the sensors outputs, voltage,
> > frequency, resistance, what ever that sensor does.
> >
> > A simple PLC and OI with programming software would be in the
neighborhood
> > of $350.00. Could be tons of fun. Anyone interested in helping me
collect
> > the data and determine the variables and limits?
> >
> > My interest is in the 4.7L but once this is done, the process would
directly
> > translate to other PCM controlled Daks.
> >
> >
> > Patrick O'Day
> > 2000 Dakota 4x4, 4.7L, CC
> > Ztube w/9 inch big mouth filter
> > 68 MM TB Ported and Polished
> > 3" catback and Flowmaster 50
> > Rancho 9000 Shocks
> > Robert Shaw 755 180F Thermostat
> > Mobil 1
> >
> >
>
>
>



This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:59:53 EDT