tag:blogger.com,1999:blog-4947745203111651722.post6461447663977949758..comments2024-03-05T00:27:49.553-08:00Comments on News on IEC 61850 and related Standards: Pay Now Or Later! Life Cycle Cost of Automation System neglectedKarlheinz Schwarzhttp://www.blogger.com/profile/14655052638097798754noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4947745203111651722.post-29576883259818829672012-12-22T13:44:56.307-08:002012-12-22T13:44:56.307-08:00Let me get this right…
They spent 4Billion to buil...Let me get this right…<br />They spent 4Billion to build the tunnels<br />2 years after completion they spent a further 15Million to replace the SCADA and Controls with a single vendor system.<br />Is this really a sensible solution?<br />The tunnel controls now rest with the longevity of a single vendor’s support.<br />The Tunnel will last for tens of decades.<br />Will this single vendor still be there always? They might go broke.<br />Will the single vendor always have the functions available that are needed as new controls and functions are required in the future for enhanced security and safety<br />Has the single vendor solution delivered the optimum performance of each function or just because it all has to appear on one screen for the operator are there deliberate or as yet to be discovered compromises in functional performance?<br />Is the system duplicated with common failure mode scenarios?<br />What happens in 5-10 years’ time when equipment from the single vendor needs to be replaced at end of life cycle – is it available as exact box replacement or will there be a requirement to interface their newer boxes to the old system with additional re-engineering of what was working “perfectly well” just a few days earlier<br />Single vendor scares me a little …<br />Rod Hugheshttps://www.blogger.com/profile/14916869433788165969noreply@blogger.com