Re: R8014 - R8216 Colours?


"Chris" <nospam@xxxxxxxxxx> wrote in message
news:NK6dnSz58L45iwDanZ2dneKdnZydnZ2d@xxxxxxxxx
Triple Jumper wrote:
Peter Abraham wrote:
On Sun, 27 Jan 2008 18:38:39 +0000, Triple Jumper
<no_email_thanks@xxxxxxxxx> wrote:

Hi

A real newbie question, so apologies, but we all started sometime:
I need to connect some Hornby R8014 solenoid point motors to the R8216
Hornby Points Decoder, which in turn is connected to a R8213 Select
controller.

Absolutely nowhere can I find any instructions for which colour wires
from the point motor go to which connectors on the decoder.
The motor wires are green, red and black. The decoder connectors are
labelled +, C and -

Intuitively one would put red to +ve, black to -ve and by process of
elimination green to C - but then I do live in the real world.

I've tried various combinations but each time the motor will only move
in one direction via the Select controller and won't move back again
unless I push it manually - which is pretty useless really.

Is something broken or just not set up right?

Why does Hornby not think we need to know about wire colours?

Any advice?

Thanks
TJ


Using my colour code black = the common line and red or green are
operating lines. So put Black to C and then choose between the others
for the direction you wish to have.

Regards

Thanks - but I think that's one of the combinations that doesn't work.
Time for a Hornby customer support call I guess...

TJ
C would be the common or black and + and - the other two wires see
http://www.hornby.com/hornby-dcc-135/points-accessory-decoder-r8216/ for
Hornbys vague advice. Note that both coils need a positive to operate and
have one negative return hence the black wire for common. Similar rules
apply to operate these motors with an AC supply. See the crude ASCII art
below, the square brackets represent the coils:

|
--[ ]+[ ]--

Hope this helps

Chris

Agree they could explain this one a bit better, you have to work out that
Black is common from the point motor instructions. Then realise that c on
the points decoder means common.

I can assure that wiring black as common and the red and green as +ve
and -ve works.

Cheers,
Simon


.

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