Trouble With Turns | Operations | Forum

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Trouble With Turns
June 18, 2015
11:48 am
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Peter Jackson
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Greetings

I have a turn that switches my paper mill.  The problem I am having is that the File Processor (or the controlling algorithm if it is something else) seems to be adding the pickups to the total train length so that only 1 or 2 spaces are available for empties when the train leaves my main yard.

I normally ship 8 loads of paper at a time and need that many empties plus some full chemical and wood chips cars.  I have a siding and a secondary Yd yard near the mill so the desired operation is to take a full train (10 cars) from the main yard swap the empties for loads (or vice versa for chemicals and wood chips) and return with loaded paper cars and empty tanks and wood chip hoppers.

I'm operating with the clock on and have loading time set to 6 hours so that I can get three turns a day.  I am advancing the clock as I operate.  It is the first turn of the day that exhibits this problem.  I have other problems with the later trains but one step at a time.Smile

Thanks for your help.

Peter Jackson

June 19, 2015
6:45 pm
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Jim Moir
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Peter,

a) When your preview the train-consist (on-screen switchlist), what do you see?

                Jim

June 19, 2015
6:48 pm
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Jim Moir
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>I’m operating with the clock on and have loading time set to 6 hours so that I can get three turns a day.  I am advancing the clock as I operate. 

Which is it?  Are you leaving the clock on to run, or are you stopping the clock and stepping the clock ahead?

This has nothing to do with the issue of train-length, but it does have everything to do with "timed unloading/loading".

              Jim

June 20, 2015
6:37 am
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Jim Moir
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>seems to be adding the pickups to the total train length so that only 1 or 2 spaces are available for empties when the train leaves my main yard.

Peter,

Is it far from being that simple.  

You did not say if you were looking at the "Preview Switchlist" or just the list of cars in the righthand pane of the "Report Train" window.   The latter shows all cars assigned to the train (at this moment), initially in the order assigned (with pickups/extras after the cars-in-train).   When you display the "Preview Switchlist" that routine re-blocks (following a dozen or more criteria) the train such that e.g. only pickups are printed (displayed *) for the next segment of the train's journey.   In addition, cars-in-train (your empties) are prioritized over later pickups.

A recent Update changed the Preview Switchlist display of pickups/extras such that all pickups, regardless of location, are displayed.  Blocking is by location.  This change allows you, if necessary to manually prioritize pickups by moving them in the train-consist list.   Recall, that you also can remove cars from the train by double-clicking on the (car) line.  i.e. you have complete control on what the train looks like on leaving a yard. 

In addition, reporting the train at its origin yard will cause any empties in that yard to be added to the train, and prioritized as being in the train.

~~~

Please note also that ProTrak looks at which cars are to be picked-up from a customer in determining how much track is (will be) available for cars to be setoff.   I do not know the unloading time you have assigned for waybills to/from your paper mill and what the "time" is presently for cars there.  You can see that at "Exceptions/Show cars at zone", which also displays the "hours" remaining. ProTrak will only count as available track cars whose hours have expired.  i.e. = 0.

The clock only "counts down" the cars' unloading/loading hours if the clock is always left on.  i.e. Every fast-minute ProTrak goes through all the cars at customers and decrements the remaining loading/unloading tiome by one fast-minute.

Manually incrementing the clock does not cause this routine to run, and the cars' remaining loading/unloading time will not decrement.  

~~~

With more information it would be easier to help you.

 

                      Jim

June 20, 2015
7:10 am
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Jim Moir
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Train length:

>seems to be adding the pickups to the total train length

Depends on whether are "previewing" on screen or using the printed train-consist.  It differs.

And it may be worth reviewing what the controls are for "maximum train length".

 

~~~

A.  The classification routines assign cars to trains.  If there is only one train to the car's destination, the maximum train length is 150 cars.

( B.  The "blocking routines" re-organize the train  - another topic).  

C.  There is a "global setting" for maximum train length on the railroad, shown at "Today's Operating Conditions", called "Average train length".

 

D.  There are three controlling settings for "train consist" maximum length:

      1. by number of cars

      2. by maximum train length in feet

      3. by maximum weight in tons (including locomotive and caboose).

These are on the "Train edit" window.   You should set these values to reasonable values (not "so big as to be never exceeded").  Recall "A", ProTrak will assign cars to a train-job up to 150 cars.  The train-limitations, used, are set by the "train-consist" routines.

 

E.  On the printed train-consist, the least of "number of cars", "length in feet", and "length in tons" governs.

The train-consist is always previewed (by the program) and if "feet" or "tons" govern (limit train length) the total "feet" or total "tons" datafield display (on the previewed switchlist) is shown with a yellow background.  That is the warning.

This value of maximum train length applies at "Leaving Yard" and applies to the next reporting location.

 

F.  On the on-screen "Preview Switchlist" lists all the pickups and extra cars.   The number of cars-in-train ("Cars on Leaving Yard") is limited by cars/feet/tons.   

This lets you manually move a car from "Extra" to "Pickup" status.

 

~~~

G.  On the "Train edit" window the "maximum feet" and "maximum tons" datafields will do arithmetic.   e.g. For "Feet", if your average cars length is 55 ft, and you have the "number of cars" set to 25, you could enter "= 55 * 25" and ProTrak does the calculation, entering "1375" in the feet datafield.  Same for tons: "= 132 * 25", with "3300" entered in tons.

The maximum values for train length would be:

    a) 25 cars, or

    b) 1375 feet, or

    c) 3300 tons.

which ever is the least.

 

OK?

                    Jim

June 22, 2015
4:45 pm
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Peter Jackson
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I was having problems logging in or adding a reply.  I could do one or the other but not both.  That seems to be resolved.  I previously sent Jim my reply using normal E-mail but decided to copy the information here so there would be a record for others that may have a similar problem in the future.

 The numbers refer to Jim's questions above.

 
2. I've just started a new operating session and reported the turn at the origin, Maple Yard. The train is 216/217 which runs MAP-Yd, QTE-YD, MAP-YD. It switches the Paper Mill, is max length of 10 cars or 500 feet, max rated tonnage 1590 tons or 9275 1:1 tons, HP/Ton rating is 1.0 HP required 9275. I haven't been assigning engines at this stage so the bottom line is all blank. Exceptions/cars by zone shows 7 cars at QTE-07 (paper) all with waybills, 3 wood-chip cars at QTE-08 (Wood-chip track) way bills 0 and 1 chemical tank at QTE-09 (Chemical track) way bill L>56. All hours are 0. The on screen switch list shows no cars, 11 pick ups (all the cars listed above) and 0 extras.
 
3. I start the clock but after I run some of the earlier trains I reset it later in the day and re-start it. I obviously misunderstood someone who lives close to me comments several weeks back but lets leave this for now.
 
4. When I preview a Switch-list I get the exact same cars as I get in the right hand pane of the report train window. There are no cars in the train just the 11 pickups. Yardmaster/Preview Work at Maple shows no work for 216. But Yardmaster/ List /print cars at Maple shows 7 empty paper cars and 1 loaded wood-chip and 2 loaded chemical cars. which should be on this train. When I ran Yardmaster/route these cars were assigned to the following turn 266/267 which does the same work. However, when I first reported 216/217 at Maple, you say that they should have been assigned to that train then. 216/217 is listed as the primary switching train for these 3 spots. I have 2 duplicates turns that run later in the day.
 
I understand what you are saying about how it is suppose to work, Jim, but it doesn't seem to be happening that way with my data.
 
Thanks for your help.
 
Peter
June 23, 2015
6:02 am
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Jim Moir
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Peter,

>I was having problems logging in or adding a reply.  I could do one or the other but not both.  That seems to be resolved.

Thank you persevering.

And Many Thanks to Mike Corley for setting up and maintaining this website.

Best,

             Jim

June 23, 2015
6:25 am
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Jim Moir
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Peter,

Oh... now it is clear what is going on.  "Multiple trains to the same location..."

>the following turn 266/267 which does the same work. .... 216/217 is listed as the primary switching train for these 3 spots. I have 2 duplicates turns that run later in the day.

This, multiple trains to the same location, takes some management, as there is indeed an interaction with "maximum train length". 

What is happening is this: 

  • The classification routines find the first (next earliest train after the current time) train.  The train length is checked; if the train is over-length, the classification looks for a second (later) train.  
  • If the second train is underlength, the cars are assigned.  If the second train is overlength the classification routines continue to look for a later train.
  • If all later trains are overlength, the cars are assigned to the first (earliest) train.

At a minimum to get cars assigned to the "earliest" train, the clocktime has to be before the calltime of that train.  Otherwise, one of the later trains is the "earliest train".

 

Possible solutions

1.  If the trains are all do the same work, I would suggest using one job and as necessary to run a later train/job call it "Job Extra".

2.  If the trains are all do the same work, and you want different train numbers/symbols, use one job and use "Alternate train symbols".  This situation is exactly why this option exists.

3.  If you want separate jobs (multiple jobs doing same work), and no Alternative train symbols, and you want the first train fully or overloaded:

        - make the first train maximum length longer, and if/when it becomes too long, delete any extra cars using the Preview Switchlist

        - manually delete cars and then manually re-assign cars to the first train, and re-block as necessary.

 

OK?

           Jim

June 23, 2015
6:38 am
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Jim Moir
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Just as a general statement....

>When I ran Yardmaster/route these cars were assigned

Once a car is assigned to a train, the cars cannot be assigned to another train.  A car can only be in one train at a time.

So... once a car is assigned to a train, running "Yardmaster/Route cars at yards and customers" will not re-assign that car.

 

~~~

Peter noted (in first message) >the desired operation is to take a full train (10 cars) from the main yard swap the empties for loads (or vice versa for chemicals and wood chips) and return with loaded paper cars and empty tanks and wood chip hoppers.

The program takes into account "pickups" when accounting for train length.  So why didn't the program recognize this and load up the outbound train to the paper mill, "knowing" there were pickups?

It may be that the "outbound cars" were not for the same spots as the "pickups".   I need to check this function.

                 Jim

June 23, 2015
4:21 pm
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Jim Moir
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More an issue with local-service (switching) trains....whether a turn or not.

I have posted an Update, which is described in the Updates portion of this forum.

Basically, a change has been made to how the check is made for pickups.  The program now distinguishes between "pickups at the train's present location" and "all other (later) pickups". Pickups at the train's present location are prioritized.

OK?

                 Jim

June 29, 2015
5:12 pm
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Peter Jackson
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Thanks Jim

I'll give these suggestions a trial and let you know how things work out.  It has taken me this long to reply because I thought that I had subscribed to this forum and would receive notification of updates.  Something else for me to check out.Cry

I'm not sure if it is related or not but I notice on the Program options page that the Time in morning.. is set for 3:00 AM and there does not seem to be any way to change this.  My first few trains (but not this turn) are before this time and I have been running with the clock on.  Do I need to be concerned about this?

Cheers

Peter

June 29, 2015
7:54 pm
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Jim Moir
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> I notice on the Program options page that the Time in morning..

>is set for 3:00 AM and there does not seem to be any way to change this.

This time option is related to only the "Continuous Operations" option.  This is the time, for "Continuous Operations" (only) when the car-unloading/car-loading (car distribution, or Daily Summary) runs.

To change this time, you have to be in "Continuous Operations".

July 12, 2015
5:11 pm
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Peter Jackson
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OK, It's taken me quite a while to get to this.  There does not appear to be a lot written about using Alternative Train Symbols but I think that I have muddled through.  I have two different turns that I was repeating 3 times a session using different train numbers but identical switching tasks.  I started by renumbering all the second and third trains and setting them to "does not run".  I then added ATS to the two turns using the old train numbers and ran an op session. 

When I Reported Trains I noticed that trains that do not run were still listed in the window but departure time was all set to 12:00 AM.  No ATS trains were shown.  The Loading Railroad Data panel didn't show until I started the clock, then it kicked in.  However the clock wasn't running, so I went back and started it and that caused the Yardmaster panel to open.  I kept the clock running all session and did not advance it. This may be UFI but I want to note everything in case it is important.

The first thing that I noticed is that both of the early local turns were loaded with cars and had pickups identified so things were looking up.

The first local I ran was 204/205 which runs Map-Yd to Qte-Yd and switched non-paper mill industries.  After reporting Qte the second time the train changed to 285 which is the second half of the last ATS.  When I reported the return to Maple the train disappeared from the list of trains.  Local 216/217 switched to 217 after the first report at Qte but switched to 297 after the second report. After reporting back at Maple this train also disappeared from the list of trains.  The Work Order panel for Maple yard showed train 285 with 25 cars & 9 waiting and 297 with 28 & 12,  The second ATS (254/255 for 204 and 266/217 for 216) never appeared any where.

I had to call a Job Extra 2-204 to run the second turn and this also switched to 285 after being reported at Qte.  When I called a Job  Extra for 216 it listed as 2-285 but reverted to 297 after being reported at Qte.

I then got an Error: Yard sidings appear incorrect.  I exited Ops as recommended and when I listed my trains both train #4 and #5 were listed as 216/217.  #4 showed MVG 3 MAP while #5 showed MVG 2 Qte.  I clicked on train #5 but just got a computer beep.  When I closed the train list panel there was another showing under it and this showed trains 4 & 5 with the proper information.

I returned to OPS and this time the Loading Data Panel appeared right off.  I clicked on Report Trains and 217 (not 2-217) showed Pending 8-1-27.  I reported Qte the second time and the # changed to 297 again.  When I reported Maple the train numbers disappeared.

I called Job extras again to represent the third run of trains and the cars assigned to 297 were ones that should have been assigned to 204, i.e. they were for Qte but for the non-paper mill customers.

Should the ATS numbers show in the train list either right from the beginning or after the previous train has run?  If not it is rather like calling a job extra since the departure times allocated are not reflected.

Thanks for your help on this Jim

 

Cheers

Peter

July 13, 2015
6:56 pm
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Jim Moir
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>When I Reported Trains I noticed that trains that do not run were still listed in the window

Did you form a "new lineup"?

July 14, 2015
7:21 pm
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Jim Moir
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Peter,

I am not aware of any issues with "alternative symbols".  e.g. I run the GO (commuter) trains on the C&NE as one job with 4 alternative symbols (turns to boot, between "Baden and "Peterboro"). 

However, I will have a detailed look at the alternative symbols functions to see if I can duplicate your comments.

                 Jim

July 18, 2015
10:04 pm
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Peter Jackson
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Thanks Jim

I guess that I didn't make a "new Line up" because doing so resolved that particular issue.Embarassed

Thanks

 

Peter

February 20, 2016
2:38 pm
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Peter Jackson
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It has been seven months since I've used Prorak but I've tried again to make my turns work with alternate train symbols (ATS) as suggested.  I have set up three different turns with ATS and the result is the same with all of them.  For example turn 204/205 has ATS 254/255 and 284/285 listed.  

When I run 204/205 I report it at the origin, move to the turn and report it there.  The train number changes to 205 as expected. When I report it at the turn for the second time the train number jumps to the last number, in this case 285.  This means that trains 254/255 and 284/285 don't get run.

I tried just reporting 204/205 once at the turn and it worked sort of correctly.  204 change to 205 and when I reported 205 back at the origin the train number changed to 254.  Unfortunately the pickups at the turn didn't get done.

I've redone my line up of trains a couple of times but that doesn't seem to make any difference.

Any help would be appreciated.

 

Peter

February 21, 2016
4:20 pm
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Jim Moir
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The testing I did in the hotel room this morning was based on my mis-reading your email.  Now that I am back in terra-firma-Baden I can read properly.   I will have a look at this issue - double-reporting at the turning-point with alternative symbols.

             Jim

February 22, 2016
4:54 pm
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Jim Moir
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Peter,

I was able to duplicate the issue you identified.   I have fixed the issue and it will be part of the next Update.

If you don't mind, I am working on another issue and would like to post both corrections at the same time.  Witrh luck, perhaps tomorrow evening.

OK?

                   Jim

February 23, 2016
9:37 am
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Peter Jackson
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That's great Jim.

But after taking 7 months to get back to this issue I'm not sure that I can wait another couple of days. Laugh

Peter

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