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System Updates

Update 1045 3 March 2024

ALLOCATION OF CARRIAGE SETS TO TRAINS The concept of 'sets' has previously been driven by an asset type that recognises it contains assets that are actually 'sets', with each having children of the actual carriages. This has proved unsatisfactory for a number of reasons so has been replaced this evening with a new system. A new specific concept of 'Carriage Sets' has been introduced, visible in Base Timetables > 'Carriage Sets and Stock Diagrams' tab. https://www.hops.org.uk/carriage_asset_diagrams.php The new Carriage Sets concept is much less rigid than the previous Asset Management System-driven arrangement. Permission 517 is required to edit. Carriage sets are used to identify groups of carriage assets or vehicles. Eg a carriage set "Blood & custard set" might include five blood and custard mk1s. A vehicle is added by means of giving it an order number and a letter. It is no longer necessary to use the fields in the asset management system, which was previously the cause of a lot of confusion. A vehicle can belong to more than one set. Previously a carriage could only belong to one set as an asset can only have one parent, but now a carriage can belong to multiple sets. Sets can then be easily allocated as a group to a specific train, a specific stock diagram (eg "Train 1" or "Train 2") in the same way as previously (via an individual train, the daily train list, or the monthly train calendar). A set is only used in the process of allocating vehicles, once allocated, the train recognises the individual vehicles and not the set they belonged to at the time. This is the same as before. Note a carriage will not be duplicated on the same train, even if it is commanded to be added as part of a set. To save data re-entry, all existing 'set' assets from the Asset Management System that contained at least one legitimate vehicle have been copied to a new Carriage Set, and all the vehicles that were its children have been copied in to the set. The old parent/children relationships in the Asset Mangement System can be safely removed, the 'set' assets archived, and the asset register in which they lived archived. If this will be an onerous task for you due to the volume of assets please let us know and we will remove them en-mass. Note that this does not replace the concept of Stock DIAGRAM. Stock DIAGRAMS are used to identify the same "train" each day, even if it is formed of different carriages. Eg the 10:00 train is always "Train 1" and the 11:00 is "Train 2", even though they may formed of different carriages each day. The new Carriage SETS are for identifying the specific carriages in each set. There was a lot of re-working involved in all the above, so please let us know if you find any problems. The 'HOPS Error' screen is a pretty good indication that we've been working hard on things... (the day you stop getting errors we've probably stopped working!)