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Offline Thewolf  
#1 Posted : 03 February 2019 02:10:39(UTC)
Thewolf

Canada   
Joined: 08/09/2015(UTC)
Posts: 1,402
Location: Longueuil-Canada
Hi guysCool

I have 7 M84 and 2 M83.

They are grouped by 2 groups of 3 for the M84s at two different locations in the layout and 1 group of 2 M83 at a third location.

To avoid reducing the amperage of my cs2, I was thinking of using 60822 and 66367.

So, 1 x 60822 and 1 x 66367 per group, which would make me 2 x 60822 and 2 x 66367 for the 2 groups M84 and 1 x 60822 and 1 x 66367 for the group m83.

Would that be correct?

Finally, I would like to add that 3 boosters 60175 are connected to the cs2, which makes the layout divided into 4 parts for the power

Thank you for your reply

Thewolf
Project Laurentides-Neudstadt-CS2-Track C- Itrain-Digital
Offline clapcott  
#2 Posted : 03 February 2019 06:26:53(UTC)
clapcott

New Zealand   
Joined: 12/12/2005(UTC)
Posts: 2,173
Location: Wellington, New_Zealand
Originally Posted by: Thewolf Go to Quoted Post
.... To avoid reducing the amperage of my cs2, I was thinking of using 60822 and 66367.

As to reducing the amperage, (from the control unit which is feeding the track), this is desirable.
But the real reason you would want to use external power for the m84 is so that they retain their state and for the m83, in on / off mode, to keep the port on. e.g should you have a track short or manually press Stop.

Quote:
So, 1 x 60822 and 1 x 66367 per group, which would make me 2 x 60822 and 2 x 66367 for the 2 groups M84 and 1 x 60822 and 1 x 66367 for the group m83.

Would that be correct?
I acknowledge that Marklin do state that a 60822 should be used when powering a group of 60831/2 and 60841/2 with external power (6636*)
Personally I have yet to hear a decent explanation for this and my experience to date shows it is has not been needed.

It is your call, however the the 6636* will plug in directly to the right of the first m8x in a chain - no need for any 60822.

A more realistic issue is whether you can get mains power safely to the vicinity of each group.
Again, your call, but extending the 19V from a single power supply by adding a length of wire and tapping in another plug might be considered.

The overall power requirements for a m84 is quite modest - even with 8 relays on.
A m83 however is a bit more complicated. If you are planning to use the m83 to drive lights or motors that are permanently on then it is conceivable to use up all 2Amps of a single power supply with a single m83 (e.g. 250mA per port x 8 ports)
Peter
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