LDT RM-88-N-O ST1 ST2 wiring diagram

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LDT RM-88-N-O ST1 ST2 wiring diagram

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bcovill		#1 Posted : 05 January 2016 21:37:54(UTC) Retweet
Joined: 19/12/2015(UTC) Posts: 8 Location: Gironde, Bordeaux		Hi, I've got an RM-88-N-O from LDT that I would like to connect to an Arduino. From the arduino part it's OK. I've got now 6 wire coming from Arduino : data, gnd, clk, load, reset and 5V. But I don't know which wire to plug on the ST1 LDT Board. No wiremarker on it. I asked them but no answer.. Has someone got an idea of the wiring of these two connectors ST1 & ST2 ? Many thanks for an advice. Best Regards, Benoit
		Märklin H0 - French Mountain layout in construction - MS2 Raspberry DSPi Arduino CanDIY Railuino


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amartinezv		#2 Posted : 05 January 2016 22:14:50(UTC) Retweet
Joined: 25/08/2004(UTC) Posts: 320 Location: Madrid,		Hello, ST1 is the standard connection to central digital from marklin (or equivalent, 6021, IB, CS, EcOs) and the ST2 is the connection to the next s88. This two conections are equivalent or similar to adjacent RJ45 plugs. best regards
		Antonio Martínez marklin, IB, era 3, Train controller www.raildigital.es/davidruso
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bcovill		#3 Posted : 05 January 2016 23:21:51(UTC) Retweet
Joined: 19/12/2015(UTC) Posts: 8 Location: Gironde, Bordeaux		Thanks for your answer. I knew about ST/RJ45 in/out function. What I was looking for is the pcb layout of the ST pins. According to S88-N standard, here it is: But I'm quite confused with that scheme cause the MASTER is on the right side (blue letters). Does this mean that ST1 is on the right side on the pcb layout ? According to this pcb, the sequence for ST1 pins from left to right will be: PIN1 -> Data PIN2 -> Ground PIN3 -> Clock PIN4 -> Load PIN5 -> Reset PIN6 -> 5V Best regards, Benoit
		Märklin H0 - French Mountain layout in construction - MS2 Raspberry DSPi Arduino CanDIY Railuino


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