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Author Topic: Hoffman MWA 02-S Point Motors  (Read 138 times)

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Offline splinter

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Hoffman MWA 02-S Point Motors
« on: February 10, 2019, 09:55:36 AM »
HI

Has any body on the forum have a wiring diagram for the Hoffman MWA 02-S Point Motor

Thanks

Offline ntpntpntp

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Re: Hoffman MWA 02-S Point Motors
« Reply #1 on: February 10, 2019, 10:45:46 AM »
A quick google came up with the Hoffmann web site.

It's very annoying that Hoffmann chose to create gimmicky animated flash "instructions" when a simple graphic or PDF would be more useful!

http://www.hoffmann-antrieb.de/pages/s_0202_mwa_2.html

My former club used Hoffmann motors on one of their layouts many years ago. It always seemed to me to be a higher quality version of the Conrad point motor (of which i have a few examples though never used them), the design is almost identical from the outside other than the Hoffman having screw terminals and presumably built-in diodes. The Conrad version used to be much cheaper when it first came out, presumably based on a older version of the Hoffmann .

As far as I can make out, the terminals are marked :  L, 0, R  would be Left, Common, Right  for power connected to 16V AC.   The other 3 are contacts for an SPDT changeover switch eg. for frog polarity.

[edit]Conrad has an instruction pdf for the simpler version.
http://www2.produktinfo.conrad.com/datenblaetter/200000-224999/211303-an-01-de-Weichenantrieb_Endabschaltung.pdf


« Last Edit: February 10, 2019, 10:56:28 AM by ntpntpntp »
Nick.   2016 celebrating the 20th anniversary of "Königshafen" exhibition layout!

Offline splinter

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Re: Hoffman MWA 02-S Point Motors
« Reply #2 on: February 10, 2019, 03:12:25 PM »
Hi
thanks for the information re the Hoffman.
I have found this most helpfull

Cliff

 

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