Capacity leveling - Priority logic
Can anyone explain the logic of SNP Capacity leveling order prioritization when set with No priority?
I have tested this with No priority, but the system is applying priority by order size on the net demand in a bucket (considering demands not fulfilled in backward propagation).
My question is about the capacity leveling profile that you define in SPRO / main menu / during leveling in planning book. In the profile, we can define one of the following for priority
- No priority
- By order size
- By product priority (from product master field in SNP2 tab)
My question is related to the first option of 'No priority'. When using that option 1, system behaves as if option 2 (Order size) is chosen. I want to know the standard logic that should be applied by the system.
Similar Messages
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I have some troubles with implementing capacity leveling. I cannot level with planned orders (cable solution), so it is only possible to plan production orders.
The setup matrix is used (because setup times can be greatly reduced, depending on the succesor).
For some operations, simular machines can be used. CM21 (work center view) is used. Version: R/3 release 4.6C.
Now a couple of problems rise.
Problem 1:
Since there are simular machines, normally production versions are used for capacity leveling. However, we have to level with production orders, so production versions are not applicable.
Making one workcenter with different individual capacities is also no solution, since SAP messes up with setup times then (i.e. two operations of different production orders have to leveled onto the work center. Normally, the setup is 20h, but if it is a right succesor, it has to be 0h. This is mentionned in the setup matrix. If we dispatch now with a specific strategy for setup time optimization, only one operation will have setup time and the other operation will be schedule from the start on of the other operation's setup... In reality, two setups has to be done, since there are two machines!).
Alternative sequences is also no solution. While leveling, the alternative sequence will never be used by SAP, in my view.
Problem 2:
The strange logic of SAP: setup of the next work center can only be done if the production on the previous work center has finished. In reality, the setup of the next work center can overlap with the production of the previous workcenter.
Besides these two problems, there are some more troubles with capacity planning in SAP. SAP messes up sometimes by putting the setup time before the wrong operation (sometimes, the first operation has no setup time and the second does. However, this should be the other way around.).
If you plan an operation manually, SAP doesn't take into account the setup matrix.
Does anyone has a solution?Hi Walravens,
What i have understood is, u have the avilability of multiple resouces to produce same material, if any capacity bottle neck, u level the different production order of same material from "one work center" to "another workcenter".
At cm21, select the mutiple workcenters (selection criteria) and dispatch the operation as need.
For setup time overlap, how to system know ur producing two operations (from two different orders) with same setup.
Even the operations from same production order, system consider the set up time of the second operations unless u define overlap function. . Am I understood your problem in correct way.
So remove the set up time for second operation and dispatch.
Regards
Pradeep -
SNP - Capacity Leveling question
Hi All:
I am trying to do Capacity leveling in one resource and for one material.
After CIFing the material, resource, location and BOM (PDS), I entered some forecast for the specific material in DP and released it to SNP.
Then I ran the product heuristics and when I looked at the planning book 9ASNP94 and Data View SNP94 I noticed that the capacity utilization where more than 100 % in some periods.
Next I executed the 'Capacity leveling button'. and entered the following parameters and executed.
Combined Scheduling
100 % max util
Product priority
Ascending
Heuristics Method
All Relevant Resources
In the Log checked all the three options
The log comes out as follows:
Green status on Resource and Parameters
Yellow status and 'Resource xxxx not used in any PPM/PDS'
Red status Resource utilization
I checked the PDS for the resource xxxx and i found it to be there.
When I go back to the Capacity view the leveling has not happened.
What am I doing wrong? Pl. help.
Thanks
NarayananHi Narayanan,
I think there should be any issue. I hope You selected the data view snp94(2), and loaded your resource in the planning book. then You executed the 'Capacity leveling button' in the planning Book, Right? Try without checking the 'consider alternative resource' check box, and dont give any priority in your capacity levelling profile.
Thanks,
Satyajit -
Use of Planning Table (MF50) in Capacity Levelling with Production Order
Hello Experts
I wish to know that is it possible to perform Capacity Levelling in planning table (tcode MF50) with respect to a Production Order ? It is known that MF50 is used in Repetitive manufacuring to do the capacity levelling with respect to Planned orders. But in our discrete manufacturing scenario we want to use planning table to the capacity levelling with respect toa Production order.
Any clue or help pertaining to this will be highly appreciated.
Thanks in advance
Regards
JayantaDear ,
MF50 is does the cacapcity leveling based on mateail -run schedule order (planned order ) where as in discrete manufacturing , when you run the MRP , MRP system assume Infinite Capacity and schedule the order as per your selection in MD02(2,1,3,3,2) and then you convert those planned order to Production order .Here you checkied the Capacity in Production Order level .
In stanadrd SAP , it is not possible to use MF50 for discrete production order.
In discrete order or process order , do the caapcity leveling , there are seperate planning table available based on Over all Capacity Profile and Schedule type .This can be done in following way :
1.CM31-Production Order Wise -Tabular
2.CM23-PO wise -Graphical
3.MC88: Ruf Cut Planning
Work Centre Wise : CM21 -Graphical , CM22-Tabular Planning Table .
Make sure the below set up before you carry on the Capacity leveling :
.Define time profile in OPD2.
Define the strategy profile in OPDB
Define the Overall profiles in OPD0.
In OPJK maintained check capacity with SAPSFCG013 profile for your production order type
In OPU3 , scheduleing parametre s: Generate Capacity , Scheduling Type , Automatic Log ,Start date in Past as per your req.
In OPJU , chekc the contol tab of the scheduleing as per OPU3
In OPKP- Production scheduling paranmeters assing the overall capacity profile -SAPSFCG013 with finte scheduling tick.
Master Data :
1.Materials Master define the Production scheduler and production scheduling profile
2.Work Center - Define the capcity planner group,activate checkbox Relevant for Finite sceduling,on the capacity header define the shift timings,break timings and unit of measure,no of individual capaity, enter formula for scheduling in capacity view.
3.Routing - enter the values for the standard values. Use control key with scheduling.
Hope this will help you .
Regards
JH -
Routing update in capacity leveling CM21
Hi Collogues,
We have simple production type. Production order with production versions.
16 production lines (work centers) with different rates. 1 operation per routing.
I want to use in capacity leveling CM21 to dispatch planned/production orders on these 16 lines.
The problem is that when I dispatch a pln/prd order in CM21 on a work center nether routing nor production version gets updated.
Your suggestion are welcome.Solution found.
Set for each production version "Production line".
Then go Mf50 switch to graphical planning table. It updates routing when I move planned order over work centers. -
Volume levels in logic pro X keep jumping up to 5.2 and 5.0 by itself.There are no plugins nor automation activated on tracks? how can i stop the track levels from jumping?
What do i do to avoid this?I and the same problem and neither of these fixes solved it. Defintely not a controller problem as guessed.
The problem was solved by going to the step editor - similar to automation - but more hidden, and also taking place in the track at a point that I had trimmed out that heppened before the beginning of the composition.
I solved the problem by going into the step editor of the track and deleting the bar in the volume track that kept setting it, and not showing up as an automation curve.
I found this problem infuriating ,I really hope this solution helps. -
Why is the recording level in Logic way lower then my preamp? If I send a signal into my analog preamp, it's way lower in logic and the wave for is way lower too.
Hi Tegtours
The Apogee interfaces have the ability to be calibrated to different operating levels. So it could be a case of re-calibrating or at least resetting to the "factory" conditions.
The 1272 will probably have been racked by an independent tech, so that's a bit of a wild card in terms of how it's wired and Dan Alexander say's it' a line amp, I'll defer to him as he's a Neve expert.
+WHAT IS A NEVE 1272?+
+A 1272 is a line amp/summing buss amp from the circa 1970-76 era of neve consoles, such as 8048,8014,8016,and bcm10 portable consoles.+
+A 1272 is not a mic pre, nor was it ever used by neve as such.+
+However, when asked what he thought about people rewiring the 1272 as a mic pre, Ruperts' answer was" why not? It's all the same stuff in there".+
+Inside of a 1272, one finds an input transformer, a line amp card, and an output transformer.+
+Some enterprising techno gentlemen rewire these components and with the addition of appropriate volume and gain switches, build a preamp that emulates that found in a 1073( or other class a) input module.+
+The only problem occurs when one attempts to get much over 50 db of gain, which is accomplished in a 1073 by the insertion of an additional amp card. When wringing that extra gain out of one amp card, one encounters frequency response and distortion anomalies. However, assuming that the wiring is done properly, a1272 can be made into a mic pre that exactly emulates the classic neve class a preamp 1073/1064/1066/1089/1084 type of circuit and of course , done right, that sounds wonderful....+
http://www.danalexanderaudio.com/neverap.html
If you've purchased a 1272 ( modified to be a mic amp ) from a reputable tech, I'm sure they'll be happy to show you how to interface it correctly.
Which output are you using from the P2 and what kind of cabling ?
James -
Hi
Can anybody send me a end user manual or step by step process on how to do Capacity Leveling .
Thanks for all your efforts in advance .
Regards
KurnaKuma,
SAP Online help
[Calling up Capacity Levelling|http://help.sap.com/erp2005_ehp_04/helpdata/EN/8a/a5910f4adc11d189740000e8322d00/frameset.htm]
Also try searching this forum for Capacity Levelling.
Regards,
DB49 -
Display the PO in the capacity leveling
Hi,
in the capacity leveling CM21 there is a table section.
In the table section I get Production order and planned order.
I just want to display the production order in this sections or in the oders pools.
How can I customize the system.
Thanks
DedeHi
Use CM25 and the selection profile you can select order.
Thanks
S.Murali -
WORK FLOW & PROCEDURE FOR FOR SNP CAPACITY LEVELLING HEURISTICS RUN
Dear Sir / Madam,
Currently, we are taking only SNP Heuristics Run and the output viz. planned stock transfer requisitions are being passed to PPDS as such. But now we feel, SNP capacity leveling can play a vital role in getting more fine tuned results from PPDS. So, We wants to start using the SNP Capacity leveling run. We shall like to know the work flow / procedure for taking the SNP capacity level run i.e. what inputs should be properly reviewed before taking the SNP capacity level run and what shall be its output..? Kindly let us know the procedure / work flow for taking the SNP Capacity Levelling Run.
Your early reply in this regard shall be really appreciable.
Thanks & Best Regards,
Sanjeev Chugh
25-Mar-10Hi Sanjeev,
as in any other module, correct master will play a key role in getting effective results in capacity levelling. you will need to check the following master data while setting the system for capacity levelling :
Consistency in BOM in R/3 and PPM/PDS
Consistency in Routing in R/3 and PPM/PDS - the actual through put on the shop floor should be the same as that in the routing and in the PPM/PDS. unless this is in sync, no amount of levelling can return good results.
Maintenance of shift - again as present in the shop floor.
you can provide the dump of the above master data and ask the shop floor engineers to validate the data as it exists in the ssytem. you can do the consistency check between R/3 and APO yourself using queries. Once they have validated this master data and the the actual master data reflects in your system, i think, the job is more than 50 % complete.
also you need to check the lot sizes, rounding profiles, and period factor, becasue all three combined play a major role in giving good or better results after levelling.
you may also check at what level you want to run the levelling. whther the bottleneck is at the finished component level, or 2nd level, etc. you may check whther you have discrete manufacuring or REM and if you really want to levelling on REM order.
then you need to analyse, what is the lengh of horizon you want to run the capacity leveling on. sometimes it makes no sense to run on the entire horizon because if capcities are already overlaoded, you will not achieve the desired results.
hence depending upon the level of your understanding and comfort of the planner (who will be using this result), the horizon can be increased grdually.
if you are starting to implemement capcity levelling, you can sumulate runs and show the results to the planner and check if the standard capacity heursitics satisfies their requirement. else you can go for custom requirement.
you will also have to decide on the stratagies, priorities,etc based on the business requirement.
i think the above should give some starting direction to implement capcaity levelling in your system.
award points if you find this useful.
Rgds, Sandeep
Edited by: Sandeep Budhiraja on Mar 25, 2010 11:49 AM -
After capacity leveling dependent requirement s to be adjusted
hi
iam planning a fert product on 30 th agust for 100nos
created md61 -pir for 100 nos
done mrp run at mdo2 and got scheduled dates for 100nos which has gone beyond the requirement date as i was chhosed leed time scheduling and made dependent reqirement proposal for the order operation date.
here the important thing is the work center which i nedd to produce was fully engaged inthe period (schedule period which system proposed) .hence i made capacity leveling and planned order dates were changed again
which are actual producion dates
after capacity leveling my planned order was firmed
my problem here is the dependent requirement proposal date also
need to be changed with respect to firmed planed order.
how to achive this
i tried with opu5
but no changes in dependent reuirement proposal (planned order)
plz suggest
sasikanth
vst-it projectshi
i tried it but unfortunatly it is creating a new planned order and giving exemption messge to the firmed planned oder as cancel the proposal
which is not at all acceptable
means for a single PIR
i made mrp run AND got planned order , after leveling the planned order was firmed
means my pir was satisfied with this
i made mrp run without changing PIR dates and quantity by expecting that it should propose a new dependent reqirement
but system created a new planed order to pir date which sholud not happen.
plz elobrate your view
sasikanth
vst-it projects -
Prerequisites for Capacity leveling
what r the Prerequisites for Capacity leveling ?
What setting we can do to run the capacity leveling?Hi,
Assign the correct capacity formula at workcenter .
Actiavte the Finite scheduling tick at Capacity header view & maintain the all relvant capacity data at capcity header.
Activate the "Generate cap req' check box at
OPU5,OPU3
Lead time scheduling should be carried out ie For planned order leveling , lead time scheduling should be carried out during MRP
Regards
Pradeep -
Capacity Planning & capacity leveling
Dear All,
If we have two Sales Orders in the same date for two different materials which will use the same work center for processing, and if we run the MRP then two planned orders will be generated. Here according to the capacity planning the system will calculate the number of days required to process in the work center and the job will be assigned to the work center for planned order 1. Then when the system tries to allocate jobs from the planned order 2 to the same work order then the system will show the over load. Then we have to do capacity leveling to remove the over load.
But the clientu2019s requirement is that when the system calculates the available capacity of a work center in the planning horizon, the system should not consider the time for which the job is already assigned from the planned order 1. And the system should assign the job from the planned order 2 to the work centeru2019s available (capacity) time excluding the (capacity) time for which the job is already assigned from the planned order 1 in that planning horizon. If there is no Available capacity in that planning horizon then the system shall show the over load and then the client shall go for the capacity leveling.
How to go about Please help.Hello Satish,
Let me understand you issue:
You would like system to give overload only when there is no capacity available in planning horizon.
Did you try using tabular planning board ? Tabular planning board uses bucket principle. It will give overload only when the whole bucket is full. It will not check the date and time of planned order # 1. While allocating capacity to plannined order # 2, the bucket's full capacity will be checked. In your case try allocation bucket size equal to your planning horizon period. -
Capacity Leveling of Work Center
Hi all,
I have a problem with Capacity of Work center (WC).
I have a Internal Activity, and i assigned a WC for this Internal Activity. WC's capacity is 100H/day for 1 number of element.
Work of this WC is 250H, duration 5 days, number of element 1. Default capacity of this WC is distributed by Distribution Key define in Activity. . And they are divided equally between factory days in 5 day. That is capacity requirement is 50H/Day
So, i want to edit this WC's capacity following value:
Day 1: 100H/day
Day 2: 50H/day
day 3: 0H/day
day 4: 0H/day
day 5: 100H/day
How can i do it?? I try to use Dispatch Manually but i cant solve this problem.
Please help me for this case.
Thank all.
NLQDear
Capacity leveling depends on some of the basic set up of Capacity Requirement Planning .You need to have proper CRP set up frist .
Couple of check points : -
Did you work centre is relevent for finitie scheduling in CR02-Capacity Header and wht is the over laod percentage for work centre ?
Did you have Capacity Requirement Related Set up like Over all profile , time profile , Startegy Profile -OPD0?
Did your Capacity Check -OPJK -Order Control at order level are active for availibilty Check 1 and 2 and assinged Over all Profile ?
Set up :
1.Please assing a operation control key like PP01 where Details Capacity Check and scheduling is active .
2.In CR02-Work centre -Capacity Header -You should have Follow check box marked
1.Releven for Finitie Scheduleing
2.Can be used for multiple Operation
3.
3.OPU3/OPU5 -Define Scheduling paramter -Mark Scheduling and Capcity Check for planned order or production Order
4.In SPRO -Shop Floor Control-Define Production Scheduling Profile -You need to matian the relevent Parameters like
1.Schedueling Automatically 2.Scheduling Log 3.Adjust Scheduling -Basic date , Depedent Requirement date 4.Scheduling Type -Backward etc .
These are all basic level set up beside CRP overall profile and other profile like strategy /time etc which may in place as you are analysing in CM01.
Please find below some of the useful CRP details : Refer this threads which are self explaintory :
http://help.sap.com/saphelp_47x200/helpdata/en/8a/a5a3154adc11d189740000e8322d00/frameset.htm
http://www.scribd.com/doc/17026521/SAP-ECC-60-PP-Capacity-Planning-httpsapdocsinfo
capacity planning
http://help.sap.com/printdocu/core/print46c/en/data/pdf/PPCRPSFC/PPCRP_SFC.pdf
Capacity Planning
capacity requirements planning
How to dispatch operation to do Capacity Leveling at Work Centre Level :
1.Frist Check the over load at work centre . Goto -CM07/CM05-give plant only -then hit the Stnadard view -You will find weekly or daily baiss load ( Requirement , Avaliable Capcity , Overlaod etc )
2.Check the week in which days you are tring to dipatch -if you selet the week check box and double clik it will show u all the dataiul load .Basde on the available capacity in other week-days u need to dipatch in CM22/CM31 or CM25/CM21
While dipatching in CM22/CM31-Select the Stragegy button on the top header -Mark Date entry when dispatching so that when you select the operation of any production order or planned order for certain work centre , it will pop with window having information of Date , Work Centre , Time .Onec you did this you will receive Scheduling log with certain information .
Hope this helps
regards
JH -
Capacity leveling. Aim is to have oders scheduled within 1 day if possible
Hi All,
I have a list of 10 prod. orders with same basic/scheduled start/finished date= today
In capacity leveling, if i select a whole list of these orders and dispatch them, i get all orders with start day= today, finish date= today+ x days.
I would like to have orders scheduled with start/finish date within 1 day.
I have available capacity of 4 hours per day. Each order takes around 1,5 hours, thus i can have 2 orders scheduled for today, and so on. This is exactly what i need.
My kind question to you is how to setup SAP in a such way.
NB: If i do leveling for each order one by one, then i get what i want: e.g. order is scheduled within 1 day.
Best Regards,
AndreyDear Andrey
Your requirement is, Automatic capacity levelling based on the available capacity.
In SAP R/3 PP module, only manual capacity levelling is available. Automatic is possible in APO.
If the requirement dates are same for multiple orders, system will through all the orders in the same date and it will display overloaded. So manually we need to dispatch the overload to the required date.
Please check the below thread also.
Re: Triggering Finite Scheduling
Hope it helps
Regards
Bala
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