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Author Topic: Problems with Peco PL-25 electromagnet  (Read 440 times)

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Offline CCGWR

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Problems with Peco PL-25 electromagnet
« on: February 24, 2018, 06:08:51 AM »
Hi again,

I decided to invest in a couple of Peco PL-25 electromagnets to try and sort my coupling system out. Wired my first one up and it won't work. It hums while holding in the relevant push button which suggests its working but it refuses to magnetise, not lifting the coupler arm supplied attached to a peco wagon nor uncoupling Dapol easi-shunts. Even holding a metal screw driver next to it seem that the magnet won't even attract that. I have DCC and have tested the power going to the unit which is 16.2V AC (perfectly adequate) I did have to cut the rod (magnet) to it would fit but this is suggested in the instructions but have turned it both ways around to test but doesn't work. I have switched wires around but nothing works.  :helpneededsign:

Regards Connor   

Offline Hailstone

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Re: Problems with Peco PL-25 electromagnet
« Reply #1 on: February 25, 2018, 11:39:45 AM »
I decided to use the Gaugemaster system, which although similar, will work with all variations of the Arnold style coupling except the very early Graham Farish one with the plastic loop instead of the later spring, please see my thread Tremierten about this
http://www.ngaugeforum.co.uk/SMFN/index.php?topic=26009.15
I cannot remember clearly about power supplies, but I think that I used 12v DC instead, but I will look at Tremierten's wiring, and let you know as soon as possible

Regards,

Alex

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Re: Problems with Peco PL-25 electromagnet
« Reply #2 on: February 25, 2018, 12:28:21 PM »
Try a 12v DC supply - what do the instructions suggest ?
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Offline mattycoops43

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Re: Problems with Peco PL-25 electromagnet
« Reply #3 on: February 25, 2018, 06:38:18 PM »
I'm not great on this stuff, but won't AC current pulse the coil in opposite directions, cancelling itself out?

Matt

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Re: Problems with Peco PL-25 electromagnet
« Reply #4 on: February 25, 2018, 07:12:17 PM »
I'm not great on this stuff, but won't AC current pulse the coil in opposite directions, cancelling itself out?

Matt

Hence the buzz
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Offline littlegs

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Re: Problems with Peco PL-25 electromagnet
« Reply #5 on: February 25, 2018, 07:29:42 PM »
I don't think it will operate Dapol Easi shunts anyway as they require a sideways attraction not a direct downwards attraction to operate correctly,
As suggested, use a DC supply and glue the rod into the bottom of the coil housing to eliminate the buzzing
Regards Chris

Offline Hailstone

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Re: Problems with Peco PL-25 electromagnet
« Reply #6 on: February 25, 2018, 07:32:08 PM »
I have now looked at Tremierten's power supplies and the uncoupling electromagnets are 12DC nominal from the back of the Gaugemaster control unit. I say nominal because my digital multimeter puts it at around 16 volts

Hope this helps,

Alex

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Re: Problems with Peco PL-25 electromagnet
« Reply #7 on: February 25, 2018, 09:23:06 PM »
I decided to invest in a couple of Peco PL-25 electromagnets
That's where the error lies... Those Peco E-Magnets are FEEBLE whatever current is fed into them... Either SEEP or PK E-Mags are much more powerful. They do cost around 20-25% more but are worth it...

nor uncoupling Dapol easi-shunts.
As per previous comments, no E-Mag is suitable for the Easi-shunts or similar that require a sideways throw, because the poles are differently orientated.

 

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