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The circuit by Don Vollrath looks easy to use and ideal for continuous
running. How would you modify the circuit to use a CDU to control a
Peco point motor?

I'm not familiar with what you are calling a 'CDU' or a Peco point motor.
But contacts from the relay shown can be connected to any other apparatus that can be operated by electrical connection to throw the points. However, be aware that a twin coil type switch machine may not like power being applied continuously. Many other circuits exist that could apply a pulse of current to a switch machine coil. If someone can help fill in more details about the Peco switch machine I'm willing to suggest a few circuits.
DonV

Thanks Don.

By CDU I meant a capacitor discharge unit which would supply a pulse
of current to a Peco twin coil switch machine. I'm new to electronics
, so I am unsure how to proceed with your circuit. I don't want to
burn out the coils in the switch motor and am unsure whether or not
the relay would survive the pulse of current from the CDU. What do
you suggest?

TerryM

--- In WiringForDCC@..., "Vollrath, Don" <dvollrath@m...>
wrote:

I'm not familiar with what you are calling a 'CDU' or a Peco point

motor.

But contacts from the relay shown can be connected to any other

apparatus that can be operated by electrical connection to throw the
points. However, be aware that a twin coil type switch machine may
not like power being applied continuously. Many other circuits exist
that could apply a pulse of current to a switch machine coil. If
someone can help fill in more details about the Peco switch machine
I'm willing to suggest a few circuits.

DonV

-----Original Message-----
From: WiringForDCC@...
[mailto:WiringForDCC@...]On Behalf Of asterrymc
Sent: Friday, November 11, 2005 6:23 AM
To: WiringForDCC@...
Subject: [WiringForDCC] Re: Balloon track control


The circuit by Don Vollrath looks easy to use and ideal for continuous
running. How would you modify the circuit to use a CDU to control a
Peco point motor?