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Hello

I’m looking for a bit of advice. I plan to extend my Loco detection on iTrain. I’m currently using a Black Z21 connected to 6 devices in the following configuration, these are obviously spread around the layout at point of concentration to avoid long cable runs

Z21 Loconet to DR4088LN <---- 6m-----> DR4088CS <-----0.5m---->DR4088CS <----3m--->YD6016CS

<----4m---->DR4088CS <----5m------> YD6016CS Total Cable length 18.5m

I’m using Cat 7 RJ45 Flat Cables between the CS’s

I needed to add a couple more YD6016CS, but on seeking advice I was told that the max length in total between all units was 3m, as you can see I’m exceeding the by quite a bit. So does the layout work, well yes, I only have a few false positives nothing that I was concerned about until now!.

I’m planning to add a YD6016LN and split the network up into smaller legs something on these lines

Z21

Leg 1 LN to DR4088LN <----0.5m----> DR4088CS <---6.0m---> DR4088CS <---0.5m --> DR4088CS

Total Cable length 7m

Leg 2 LN to YD6016LN <-----4m----> YD6016CS <----0.5m--->YD6016CS <----1m---> YD6016CS

Total Cable length 5.5m

Would this work ?

On Thu, Oct 24, 2024 at 04:45 AM, Roy Endersby wrote:

Z21 Loconet to DR4088LN <---- 6m-----> DR4088CS <-----0.5m---->DR4088CS <----3m--->YD6016CS

<----4m---->DR4088CS <----5m------> YD6016CS Total Cable length 18.5m

Waaayyyy too long !! 3m advised, 5m max. from DR4088LN until last s88N module.

I’m using Cat 7 RJ45 Flat Cables between the CS’s

UTP is better. Flatcable is not twisted, for which s88N has been designed

I needed to add a couple more YD6016CS, but on seeking advice I was told that the max length in total between all units was 3m, as you can see I’m exceeding the by quite a bit.

Yep, see above.

So does the layout work, well yes, I only have a few false positives nothing that I was concerned about until now!.

You should have, because it is inherent to such cable-lengths ;)

I’m planning to add a YD6016LN and split the network up into smaller legs something on these lines

Z21

Leg 1 LN to DR4088LN <----0.5m----> DR4088CS <---6.0m---> DR4088CS <---0.5m --> DR4088CS

Total Cable length 7m

Marginal, but considering you already ran 18.5m without significant problems, will probably work.

Leg 2 LN to YD6016LN <-----4m----> YD6016CS <----0.5m--->YD6016CS <----1m---> YD6016CS

Total Cable length 5.5m

Very well ! This could very well work in your situation. It almost adheres to the specs ;)


Remarks:

1) It's YD6016ES-CS, not YD6016CS, and it's YD6016LN-CS ;) CS is the Sensor-Type, ES/LN is the Bus-Type :)

2) we advise: Need "long" distance ( > 3m ) ? Use LocoNet. Below 3m s88N is perfectly safe. Why ? LN is designed for long cable runs. s88N is not. Although the use of RJ45 Network-Cable might suggest this.

Greets,
Karst

On Thu, Oct 24, 2024 at 07:04 PM, karst.drenth wrote:

Thanks Karst. I'll get to work!.