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Old 07-02-2018, 08:21 PM   #641
Steve M
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Fitted the first connector this afternoon, fairly straightforward once I’d worked out which wire went where.
The new connectors will allow me to have three separate bus pairs, DCC, points, 12v dc plus three spare wires. Between boards 3,4 and 5 two of the spare wires are a bus pair with variable voltage for the yard and station lamps.
Everything working on board 5 apart from one LED on the control panel for that board which has chosen today to fail. That can wait until tomorrow.
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Old 09-02-2018, 11:00 AM   #642
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My completed first connector now fitted. If nothing else it highlights how messy it can get if you try and retrofit electrics rather than planning it properly from the outset.

20180209_095039 by Steve Mumford, on Flickr
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Old 13-02-2018, 08:58 PM   #643
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The wiring connector upgrades continued today - so far, so good. But..........
One of the reasons for doing this was to provide a 12v dc supply to all boards primarily for the LEDs on the control panels. Originally I had taken a short cut and powered them from the DCC bus wires where they were working as planned. When I wired them into the DC supply not all the LEDs lit up - a bit of head scratching and now it seems that my pack of common cathode LEDs is a mixture of both common cathode and anode.
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Old 14-02-2018, 08:03 PM   #644
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The rewiring took longer than expected (doesn’t it always!) and Low Ghyll has been reassembled and tested.
The big advantage of using different coloured wires and sticking to a common wiring theme paid dividends when everything worked first time with the exception of those dodgy LEDs on the control panels.
Now every board has a DCC bus pair, points bus pair, 12v DC and a separate 12v DC supply routed through a PWM controller to dim all the lights equally.

But as usual the other layout (below this one) has taken a beating and needs a tidy up.
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