Article Details
- Title
- TISP
- ParentTitle
- Routes
- Sequence
- 0
- Body
- Train In Section Proving, or TISP for short, determines whether a train has appropriately entered a signalling section. Route release (described later) will only take place if TISP has proven that a train has entered the section. TISP data can be entered in one of two ways. In the first, simplest form, two track sections are specified which are normally the first and second track sections in a route - the first track section after the signal, and the one beyond that. When both track sections are occupied, the interlocking deems the train "entering section". When the first track section then becomes clear whilst the second track section is still occupied, the interlocking now deems the train "in section". In unusual cases it may be necessary to write conditional statements instead. The first conditional statement evaluating to true indicates that the train is "entering section" while the second conditional statement evaluating to true indicates that the train is in section. Use of this form is less common and is only used when the two-track-section method is not suitable, some examples of which follow. [b]Single Track Section[/b] Some routes may only consist of a single track section. In this situation the [b]berth track section[/b] and the first track section should be used. If there is also no berth track section then the conditional form should be used. This takes the form of "first track section occupied for time" for the first condition and "first track section clear" for the second condition. The time should be the time that the shortest, fastest train would take to occupy and clear this section, minus two seconds for interlocking delays and cycles. Example: TISP1: TABC.ogt(5) TISP2: TABC.c TISP data is not required for automatic routes, or for routes without [b]TORR[/b].
- CategoryId
- 2
- Created
- 30/07/2025 at 02:24
- Updated
- 30/07/2025 at 02:28
- Created By
- CajonRail
- Updated By
- CajonRail