ESU LPV4: Is there any direction bit in some CV ?

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ESU LPV4: Is there any direction bit in some CV ? - French_Fabrice

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French_Fabrice		#1 Posted : 26 October 2013 20:09:43(UTC) Retweet
Joined: 16/05/2011(UTC) Posts: 1,479 Location: Lyon, France		Hi all, I would like to change the current "forward" direction to the opposite, of a few locos equipped with ESU Lokpilot V4, and without swapping/resoldering the wires coming to the motor. Is this possible with only reprogramming a CV ? Having read the doc, the bit 0 of CV29 seems to correspond to what I want to do, but I'm unsure so I prefer to ask... TIA Fabrice


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H0		#2 Posted : 26 October 2013 20:23:13(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,276 Location: DE-NW		Hi, Fabrice, A single CV won't do the job. CV 29 bit 0 is the way to go, but you also have to swap the direction for F0 to also swap the direction of the headlights.
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS

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French_Fabrice		#3 Posted : 26 October 2013 20:39:21(UTC) Retweet
Joined: 16/05/2011(UTC) Posts: 1,479 Location: Lyon, France		Thank you Tom ! But I just did a test, incrementing by 1 (i.e setting bit 0 to 1) the CV 29 of my test loco, and the headlight changed also automatically according to the direction without any further setting !!! ...That what exactly what I was looking for ! Cheers Fabrice


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H0		#4 Posted : 26 October 2013 20:59:25(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,276 Location: DE-NW		Then I was on the wrong track. So adjusting the headlights is only required when you soldered the motor connections incorrectly, but the lights correctly. In that case you need CV 29 plus F0 adjustment. I'm sorry for misleading you.
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS


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French_Fabrice		#5 Posted : 26 October 2013 21:09:28(UTC) Retweet
Joined: 16/05/2011(UTC) Posts: 1,479 Location: Lyon, France		Don't worry, Tom. You're welcome Fabrice


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jvuye		#6 Posted : 26 October 2013 21:15:35(UTC) Retweet
Joined: 01/03/2008(UTC) Posts: 2,881 Location: South Western France		Originally Posted by: French_Fabrice Thank you Tom ! But I just did a test, incrementing by 1 (i.e setting bit 0 to 1) the CV 29 of my test loco, and the headlight changed also automatically according to the direction without any further setting !!! ...That what exactly what I was looking for ! Cheers Fabrice hi! Yes all current ESU decoders are doing just that. If you run in DCC you can also create "consists", what we call in French "UM" (unités multiples) All it takes is to add a second address in CV19 and enable "consist address" You can also configure which of the functions F0 to F16 are accessed in consist mode (e.g modify the behavior of the headlights or red taillights,etc.) Consist address is also very practical if you have a push-pull train and install a function decoder in the pilot car. V4 decoders have a long list of complex configuration CV matrix, but a ll this is very simple to do with the ESU Lokprogrammer. Do not hesitate to ask if you need more! Cheers
		Jacques Vuye aka Dr.Eisenbahn Once a vandal, learned to be better and had great success!

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river6109		#7 Posted : 27 October 2013 10:04:24(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,745 Location: On 1965 Märklin Boulevard just around from Roco Square		Fabrice, I couldn't do without a lokprogrammer and its dead easy. the other options Jacques mentioned you would need a adapterplate from ESU to be able to have more auxillary functions, the 51968 gives you 4 Aux functions (Aux 1 - Aux 4 but you may have to compromise the acceleration and braking mode , you still can use it but whatever is programmed on Aux 4, e.g. markerlights etc. etc. the moment you activate it the braking and acceleration is turned off. I've made the same mistake by reversing the polarity of the motor via lokprogrammer and thought the lights would stay the same but as we found out the lights have to be changed to match the direction of the loco. regards., John
		https://www.youtube.com/river6109 https://www.youtube.com/6109river 5 years in Destruction mode 50 years in Repairing mode
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