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72954Re: [Z_Scale] Re: Kato Controller

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  • dpstripe
    Jun 22, 2013
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      The Railpower 1300 is a basic analog controller. If the Kato uses pulse power or PWM (pulse width modulation), it is a completely different storry. For example, when the 1300 is set to 9 volts, it is putting out a nine volt output. If a pulse power or PWM controller are set to "9v", it is actually sending out a bunch of full voltage pulses, varying frequency and duration. If the Kato supply is 10-12 volts output, then even at a lower setting (if it is a pulse controller), the output will be 10-12volts. As stated earlier, a diode voltage reducing circuit can be made (or purchased from MRC) to drop the voltage, or a z scale rated supply can be purchased.

      Dan S.

      -----Original Message-----
      From: Brian K <odstalpha12@...>
      To: z_scale <z_scale@yahoogroups.com>
      Sent: Sat, Jun 22, 2013 11:51 pm
      Subject: Re: [Z_Scale] Re: Kato Controller

      I use a Railpower 1300 and just marked off where I got a reading of 9.0v
      when I had my multimeter on the track and it works fine. I would assume
      that the same practice can be used with the Kato controller. That being
      said, as Mark noted 9v is about all Z can handle from what I have seen and
      if you use this method you will need to be careful not to fry your engines.
      Just my $0.02.
      On Jun 22, 2013 8:27 PM, "mark2playz" <mark.markham@...> wrote:

      > **
      > Hi,
      > The short answer is no. Depending on the loco you have, 8-9 VDC is
      > maximum. The Marklin controller has a minimum voltage of about 3 V, which
      > is a bit high for slow speeds. If you check the files section of the group,
      > you'll find a diagram for a voltage dropping circuit that can be use to
      > lower either the minimum voltage of the Marklin unit or the high voltagw of
      > the Kato unit.
      > I've been using a PWM unit called "The Snail" that is built for Z scale
      > and allows for really low speeds.
      > Hope this helps,
      > Mark
      > --- In z_scale@yahoogroups.com, "heljan" <kbuxton71@...> wrote:
      > >
      > > Is it okay to use a Kato Controller on Z Marklin loco's ??? - I find
      > that Marklin controller does not allow loco's to run slowly at bottom
      > position of dial - I use Kato controller on N scale which seems more
      > sensitive and produces very slow speeds
      > >

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