ecm bench

[nacelp]

Depending on what your doing the A/C converters might be fine.  If no
injectors, OK.  One of the things I worry about is an accurate reliable
repeatable test bench, and a fully charged battery is more accurate then a
110 powered devise (at least around here).  I have had several voltage
converters that wondered around some voltage wise (not much probably .2v
max).  But, with the effort that went into this there ain't no such thing as
too accurate.  If your just hacking code, then anything to wake it up is
fine, for verifing locations, but if your serious about pulse widths and
scoping stuff I get a battery, and *why not use a heavy calbe and remote the
battery*.
Grumpy





> I run my test bench for an 8051 (94-95 LT1)PCm in a 3.5" floppy expansion
box,
> and use the built in Power supply. It works fine, and sits at about 11.8
volts.
> I do not power the Injectors with it. They are the big power users. My
supply is
> a standard PC expansion box rated at 12v and 2.02 Amps!
>
> Ken
>
> Bja1078 at aol.com wrote:
> >
> > hey grumpy how much current does your bench use? do you think a 8amp
power
> > supply from a computer would do the trick, or should I find a 12amp? or
will
> > this even work at all? I would rather not have a tractor battery and
charger
> > in my bed room.......... any ideas would me appreciated!
> >
> > -Brian
>
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