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Märklin K83 60830 and resistors
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Offline laalves  
#1 Posted : 05 December 2006 03:17:43(UTC)
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laalves


Joined: 10/02/2004(UTC)
Posts: 2,162
Location: Portugal
Just bought two new 60830 decoders. They each come with two 1.5K resistors.

What are those for? There's nothing in the booklet about them.

Luís
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Offline steventrain  
#2 Posted : 05 December 2006 08:46:09(UTC)
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steventrain

United Kingdom   
Joined: 21/10/2004(UTC)
Posts: 31,606
Location: United Kingdom
I have number of K83 60830,I have not use the resistors for turnouts and uncoupling.
Large Marklinist 3- Rails Layout with CS2/MS2/Boosters/C-track/favorites Electric class E03/BR103, E18/E118, E94, Crocodiles/Steam BR01, BR03, BR05, BR23, BR44, BR50, Big Boy.
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Offline clapcott  
#3 Posted : 05 December 2006 09:07:36(UTC)
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clapcott

New Zealand   
Joined: 12/12/2005(UTC)
Posts: 2,435
Location: Wellington, New_Zealand
These resisters were introduced after the 1st version of C-Track point motors/solinoids failed to work reliably. These solinoids only had a cutoff switch at one end but the design was such that the actuator could "bounce back" if the power was strong - resulting in unreliable switching and derailments.

Marklin explained that this would most likely occur if the item was close to the transformer and if you experienced this problem, you should insert a resister (in the yellow leg to the point) to reduce the current and thus the energy to the actuator.

Peter
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Offline foumaro  
#4 Posted : 05 December 2006 10:31:22(UTC)
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foumaro

Greece   
Joined: 08/12/2004(UTC)
Posts: 4,420
Location: Attiki Athens Greece
Neither do i.biggrin
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by steventrain
<br />I have number of K83 60830,I have not use the resistors for turnouts and uncoupling.
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Offline laalves  
#5 Posted : 05 December 2006 12:11:29(UTC)
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laalves


Joined: 10/02/2004(UTC)
Posts: 2,162
Location: Portugal
Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by clapcott
<br />These resisters were introduced after the 1st version of C-Track point motors/solinoids failed to work reliably. These solinoids only had a cutoff switch at one end but the design was such that the actuator could "bounce back" if the power was strong - resulting in unreliable switching and derailments.

Marklin explained that this would most likely occur if the item was close to the transformer and if you experienced this problem, you should insert a resister (in the yellow leg to the point) to reduce the current and thus the energy to the actuator.





Many thanks!

Luís
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