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'DelTang' Failures - What Am I Doing Wrong ?
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 Posted: Tue Oct 29th, 2019 01:51 pm
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Rick Dow
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Dave,

Thank you very much for replying.


The "transmitters" I buy purposely, do not have the Selecta dial feature.  


You mentioned that my "receiver" required the "Selecta" feature be disabled.  
You mention that I should check with "paperclick" to ensure this.

Are you ready?  :)         
I have absolutely no idea what you are talking about!  :)

Please educate me.


Thanks

Rick




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 Posted: Tue Oct 29th, 2019 04:37 pm
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davecttr
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OK, your Rx61-2 should have SELECTA disabled if you are using it with a Tx21,
but it might be worth checking that your Rx are configured this way.


Go to

http://www.deltang.co.uk/paperclip-v611.htm

for instructions on how to check or make changes if needed.


You connect the P1 and P3 pads together with wire,
then switch the Rx on and disconnect the wire.

The LED will come on solid,
and flicker once a second, if SELECTA is disabled.


It might not be the problem, but worth checking.




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 Posted: Tue Oct 29th, 2019 05:39 pm
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W C Greene
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Again, a "grounded" open frame motor may just be your problem here.
There are solutions to this if you want to know.

Woodie





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 Posted: Tue Oct 29th, 2019 07:57 pm
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fallen
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davecttr wrote
Am I right in thinking that the Rx is actually transmitting during the bind process?


Dave,

The "Transmitter" and "Receiver" are really out of date terms.
 
They talk to each other, so both are transmitting and receiving,
certainly during binding and I think also when connecting each time they are turned on.

David T was developing data feedback between Tx and Rx,
so the Tx could display the battery charge level in the Rx, for example.

Frank


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 Posted: Tue Oct 29th, 2019 08:04 pm
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fallen
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Rick,

The Rx only responds if the Selecta is set to its position on the Tx.

But if you do not connect the Selecta input on the transmitter when you build it,
then the output to the Rx will basically be random noise,
and so the Rx, if it has Selecta enabled, will not respond, as it never gets the correct signal.

So you may have to disable the Selecta function on the Rx as Dave described.

Frank


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 Posted: Tue Oct 29th, 2019 08:36 pm
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Andy R
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Rick

Things to check, assuming tx and rx are bound:
- tx on rx on, rx LED lit solid, no flashing.
- tx off, rx LED should go off and come back on again when tx on.

If either of the above checks fail, then something is wrong with the tx/rx communication.
If the rx LED is flashing, what is the pattern?

Tx21 does not have anything connected to the Selecta channel,
so even if the rx had Selecta enabled, it will still work OK with the Tx21.

A motor connected to the M outputs should start when you move the throttle control away from stop.
If you move the throttle control slowly through the entire range, and the motor does not move,
does the rx LED flash at all while you are moving the throttle?

The reason for moving the throttle control through the entire range,
is that rx could be configured for centre-off throttle,
if you are expecting it to be low-off and (in rare cases),
the throttle action could be reversed.

I always keep a cheap test motor handy,
to eliminate the loco motor and/or wiring as a source of any problem.

Andy




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 Posted: Wed Oct 30th, 2019 03:16 am
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Rick Dow
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Hi All,

Fantastic advice.

A big thank you to everyone.

This is all information I did not know.

I have some experimentation to do

I'll get to it and give you my report afterward.

Plus fingers crossed.

Thanks once again!

Rick



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 Posted: Wed Oct 30th, 2019 08:43 am
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Claus60
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Hi.

If you are fiddling more often with DelTang RX it is a very good idea to buy a Prog4.
With this the change of settings in DT RX is very easy compared to other options
(paperclip, programming with TX).

A Prog4 is not that expensive (around 20€ or 25$).
And with a Prog4 you can use a Software to set all options from a simple GUI.

See:

http://freerails.com/view_topic.php?id=8502&forum_id=45


As a hint to your current issues, I would reset the RX to factory settings.

If it really is a RX 61-2, then Selecta is disabled.
The variant with Selecta enabled would be RX 61-22.

You can easily change the variants with a single programming step, if needed.

By the way, a "grounded" motor is no issue,
as long as you don't have your rails connected,
and the lights (LED or so) are not connected to the "ground" or to the RX.

But it surely is better if the motor is isolated on both poles.
So do this, if possible.

But if the "original" loco already was prepared for DCC,
then the motor is not grounded for sure.
DCC don't like a grounded motor at all.




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 Posted: Wed Oct 30th, 2019 09:42 am
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Rod Hutchinson
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Claus60, 

Presently I program my Deltang R/X using a stick transmitter.

I have had trouble locating a suitable genuine chipset cable,
to run between CoolTerm and Prog4 running on a Win10 O/S. 

I have searching for genuine Prolific cables,
but the ones I have been able to obtain do not have genuine chipsets.

Can you recommend a source and type of RS232 cable,
that would work on a Windows 10 O/S, linking Coolterm and Prog4?




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 Posted: Wed Oct 30th, 2019 11:56 am
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davecttr
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Have a look here Rod.
 

It fixed my problem,

and I keep the installer in case a Windows 10 update breaks it again.


http://www.ifamilysoftware.com/news37.html




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