[Accrs-ho] Modular Signal System - MSS

[ACCRS HO Scale]

I've found the web site for the MSS that was mentioned at the meeting. 
Looks like an interesting system for model railroad layouts where you can watch track side signals to control train movements.  The architecture consists of:-  a detection layer that is wired into your layout-  buss network layer which communicates between the detection layer and the signals- a signal layer that provides for track side signal lights (led's)
I think one of the key things to consider is how trackside animated signals will improve upon the existing system.  
Gary's comment about "operating the layout blind without detection" is part of the root problem/goal and should be the key objective in making decisions on what technologies and systems to incorporate,  as well, what benefits are gained to improve the operation the layout.

Let's ask these questions:- what are goals and objectives of the detection system?- what are the goals and objectives of the signal system?- what user-interface should the detection systems serve  - panel indication?  trackside signals?  computer software?  all of the above?- are trackside signals  for animation or for operation and where would they be?- should the existing detection system be removed and replaced with a different one?- can there be two detection systems from different vendors serving different needs?
Other notes:- MSS is not compatible with the Bruce Chubb DC detections boards currently installed.  See their web site for a list of other manufacturer detection systems supported.- MSS uses two detection methods:  a. ) current detection;   b.) optical detection- MSS requires DCC pulse transformer current detectors 

Here's my personal take on this:This layout is built around using a centralized panel for operation and control.   One person (in theory) can operate and dispatch all trains from this one spot.   Train detection is a vital component.  Currently, there are some bugs in detection wiring and there could be some improvements on the panel to make the detection user-interface better.   There are also old components that are failing/near failed, but over all it's mash-up of things that seem to work most of the time.   
Since detection is one of the foundation of any large model layout it should be something well designed  using modern components.   Signaling systems reply upon a detection system and what we have needs to be upgraded, redesigned or replaced before we get to the signaling layer.
I also believe that most members prefer to operate DCC and this trend will continue with new members.  This current layout of DC/DCC increases the wiring complexity,  and is limiting advanced features and functions that a DCC only layout provides.   People should be thinking about this as well.  
Tony





 		 	   		  
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