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| Re: South Ferry Inner Loop Station. (1385554) | |||
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Re: South Ferry Inner Loop Station. |
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Posted by Jace on Sun Feb 14 18:47:57 2016, in response to Re: South Ferry Inner Loop Station., posted by Stephen Bauman on Sun Feb 14 12:38:53 2016. Yes, the cars up through the R160s and R188s have LonWorks and it has its limitations. I can't say i took part in the decisions to use it but my guess is that it was chosen for simplicity. On the doors for example, wouldn't the additional processors add complexity and with that increase the chances of failure? And for what gain? The fleet to fleet compatibility issues are generally between the communications systems and not between things like propulsion, braking and doors. The two door systems in use work off the same commands making them fully compatible even if the hardware itself is not interchangeable.And you didn't explain how such a flexible door system would work in practice. Tie door control to the AAS? That means that not only the door system but also the AAS is now critical; failure on either one takes a train out of service. This again seems like you'll be decreasing reliability for a marginal gain in flexibility. |
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