Master Station Log: Fill & Download for Free

Because it took Rodenberry's ideal of a future where people always do the honorable thing, regardless of the consequences and threw it out an airlock…and was absolutely right in doing so, making for one of the best episodes of the franchise ever written or filmed.In the episode, Sisko narrates the events that lead to persuading the Romulans to ally with the Federation to fight the Dominion into his log. The need for them to side with the Federation is so great, Sisko admits he lies, cheats and abets full on murder to achieve the goal. And while he is clearly shaken to his core by his actions and how far he discovers he has gone, he admits to himself that despite the cost to his soul this action took, he would do it all again to save the Alpha Quadrant. And he has to keep this dark secret to himself for the rest of his life. His confession to the station log is erased, and he shoulders this burden for the sake of everyone and everything he loves.It's a brilliant, compelling episode, masterfully acted by Avery Brooks, and a touchstone moment in the Trek universe.It's been 30 year since it aired, and people still argue if Sisko was right or not. Not many stories in any genre can sustain that kind of interest.

Yes it is true that most of the trains halt for considerably more time at big stations.There are many reasons behind this stoppage, which I am summarizing below here, hope it will help to understand the situation at big stations.Due to crew changing:-In most of the long distance trains a fresh set of crew (loco pilot mail, assistant loco pilot and mail guard) take over charge at big stations.After taking over charge they check all required items which are necessary for safe running of train in it's onward journey.Which includes a brief checking of locomotive’s under truck for any crack or wear & tear in bogie, wheels, brake rigging parts etc; all safety fittings are intact; all safety items are available on locomotives; level of fuel oil, lube oil, water, compressor oil etc are up to the mark in diesel locomotive and this activity is carried out by assistant loco pilot generally.In the meanwhile loco pilot checks out details of Brake Power Certificate of the train, notes down and fills out necessary details in it; logs crew ID and other necessary details in energy meter in case of electric loco; notes down energy meter readings; conducts brake continuity test with guard.Guard has to check the details of parcel van items, check intactness of seal on parcel compartment's door. Conduct brake continuity test with loco pilot.2. Due to heavy traffic:-Normally such big stations are big junction stations too, which means a number of trains are passing through these stations and crossing each other. Therefore it takes more time to give line clear to any train on such big junction stations.3. Due to more number of passenger:-Comparatively more number of passengers alight and board on such big stations. Specially general class passengers, they form long queues well in advance to board important trains. General class coaches are also reserved station wise for originating station and next two-three big stations where number of passengers are more.Outdoor station master manages boarding of these passengers with the help of Railway Police. Thay are authorised to not to grant line clear till such passengers have safely boarded the train.4. Due to locomotive changing:-A lot of times locomotives are changed at such big stations, like at New Delhi itself. This is done due to some trains will now work with change of traction i.e. a Diesel locomotive will be replaced by an electric locomotive or vice-versa.5. Due to commercial activities:-Amount of parcel bookings is generally more on big stations. A number of couriers, vehicles, parcels, luggage etc are booked in large amount on big stations. Unloading of previously booked parcel items and then loading of fresh items take more time.RMS (Railway Mail Service) is also loading and unloading mails and parcels to be sent by trains, and on such big stations comparatively huge bundles of mails are handled which take more time.6. Due to some petty repair work in some coaches or locomotive:-Sometimes little maintenance work are to be carried out in coaches or locomotive, such as in coaches light or fan not working etc. Electric Train lighting staff is generally not available on all small stations, therefore such complaint are attended at big stations only.Same is the case with locomotives also.7. Due to watering and cleaning of toilets:-All long distance running trains need proper cleaning and watering of toilets and coaches, which is also done at big stations properly.Thanks for asking question.Image source: google imageWhy trains halt for 20-30 mins at NDLS or other such big stations?

SCADAA SCADA (or supervisory control and data acquisition) system. It consists of many remote terminals units for collection of data (field),that is being connected with master station through any communication system, having main task of collection of accurate data and controlling of process for smooth operation.DCSIt stands for distributed Control System, controlling is performed by embedded system (Microcontroller based or Microprocessor based controlling unit for device or instruments from which data is to be collect. It provides very intelligent analog control capability. It is very sensitive for HMI (Human machine Interface) for easy and smooth control of process.PLCIt stands for Programmable Logic controller, having get this name from the fact that it replace the relay logic at the initial stage then it get the capability for analog channels also for display then it get the ability for close loop control and after some time it has the ability for redundant operation, and also its HMI having the ability for Indicatiion,controlling,data logging ,Alarming and backup data facility. It is also defined as below:“A digitally operating electronic apparatus which uses a programmable memory for the internal storage of instructions for implementing specific functions, such as logic, sequencing, timing, counting and arithmetic, to control through digital or analog input/output, various types of machines or process.”National Electrical Manufacturers Association (NEMA), 1978