Long-distance monitor/control of 4024 [RE-wrenches]
Todd Cory, Bald Mtn. Solar
toddcory at jps.net
Thu Aug 30 07:01:47 PDT 2001
I have run an e-meter ~200'... but not with standard low gauge telephone or
other small communication wire. I used single strands of solid 12 gauge wire and
using a drill, twisted the shunt pair. This has worked fine. I suspect the
length limitations are due to the losses in the regularly small sized wires.
This can be overcome by using larger wire, although I do not know the total
length limitation when using #12.
I am not sure this could be applied to a parallel cable though.
Todd
dmccorkl at sover.net wrote:
> We have a question for the expertise of the group:
> We have an off-grid system, with the house about 175 foot wire run from the
> power building. The customer would like a Remote Control for the SW4024,
> and a meter (we were going to use a TriMetric 2020) in the house. Trace
> says that's too long for the normal cable for the remote (we were going to
> bury a cable and solder the connectors on each end), and the TriMetric
> didn't work hooked up using wires in a 6-pair telephone direct burial cable
> which is already buried. For the Trace remote, we have heard a little about
> converting to serial, then using "short-haul modems", and reconverting, but
> don't know the details as yet. Has anyone had any luck with using a longer
> cable for the Trace, and/or has anyone come up with a working solution for
> this kind of distance for either the remote or the TriMetric?
> As usual, thanks in advance for any help with this.
> Doug McCorkle
> SunnySide Solar
> Guilford, VT
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