Change over time on production line.

Hi Experts,
We have a scenario where we need to schedule the orders also considering the changeover times on a production line from one product to another. Suppose I am producing product A on the line and my next product is B, say the change over time is 10 mins. But suppose if I am changing from product C to product B, then the changeover time is 15 mins. Similarly it is different from one product to other based on what will be produced on the line next.
Like,
A---->B is 10mins
C----->B is 15 mins
D----->C is 30 mins and so on.
A big matrix exists for the same.
Is there any way that I will be able to handle this in standard SAP? Ideas will be much appreciated.
Regards,
Sachin

Hi,
You need to maintain the Setup Group Key in the routing, and then in capacity levelling table you group orders by this key, and then there's a function to reduce/change setup time for each order and for the group.
Definition of Setup Group Key - transaction OP43
Definition of Setup Matrix - transaction OPDA. In here you define the "new" setup times that substitute the "old" setup times, and are setup group dependent.
In the routing opration detail in CA02 or CA01 choose the setup group key on the "general Data" part.
For the capacity levelling part, it is too complex to guide you here.
Regards,
Mario

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2, car, engine, 100, 01/01/2000, 31/12/2009, 280
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1, car, 01/01/2000, 31/12/2009, 280
2, car, 01/01/2010, 01/01/2050, 300
Preferably the query would be in a view rather than a stored procedure, and it needs to be able to handle many 'products', 'components' and start/end dates.
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Thanks for picking up this query, I'll try to explain my points in more detail:
+SUM([value]) over (Partition by [Parent] order by [Parent],[Child])+I don't see columns called value, parent or child in the sample data below.
Is value the same as rate? What are parent and child? In the example:
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Whenever you have a problem, post CREATE TABLE and INSERT statments for your sample data.CREATE TABLE "REPOSITORY"."PRODUCT_RATES"
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     "COMPONENT" VARCHAR2(255 BYTE),
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insert into REPOSITORY.PRODUCT_RATES (PRODUCT, COMPONENT, RATE, START_DATE, END_DATE) values ('car', 'chassis', 180, to_date('01-01-2000','dd-mm-yyyy'), to_date('31-12-2009','dd-mm-yyyy'))
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insert into REPOSITORY.PRODUCT_RATES (PRODUCT, COMPONENT, RATE, START_DATE, END_DATE) values ('car', 'engine', 100, to_date('01-01-2000','dd-mm-yyyy'), to_date('01-01-2050','dd-mm-yyyy'))
Although the above short scenario highlights my issue, to expand on the example data set:
insert into REPOSITORY.PRODUCT_RATES (PRODUCT, COMPONENT, RATE, START_DATE, END_DATE) values ('family', 'wife', 500, to_date('01-01-2000','dd-mm-yyyy'), to_date('31-12-2001','dd-mm-yyyy'))
insert into REPOSITORY.PRODUCT_RATES (PRODUCT, COMPONENT, RATE, START_DATE, END_DATE) values ('family', 'wife', 999, to_date('01-01-2002','dd-mm-yyyy'), to_date('01-01-2050','dd-mm-yyyy'))
insert into REPOSITORY.PRODUCT_RATES (PRODUCT, COMPONENT, RATE, START_DATE, END_DATE) values ('family', 'baby', 250, to_date('01-01-2000','dd-mm-yyyy'), to_date('31-12-2004','dd-mm-yyyy'))
insert into REPOSITORY.PRODUCT_RATES (PRODUCT, COMPONENT, RATE, START_DATE, END_DATE) values ('family', 'baby', 500, to_date('01-01-2005','dd-mm-yyyy'), to_date('01-01-2050','dd-mm-yyyy'))
Notice there is a change of price for Component 'chassis', so the output I'm looking for is:
row, product, component, rate, start date, end date, sum
1, car, chassis, 180, 01/01/2000, 31/12/2009, 280
2, car, engine, 100, 01/01/2000, 31/12/2009, 280
3, car, chassis, 200, 01/01/2010, 01/01/2050, 300
4, car, engine, 100, 01/01/2010, 01/01/2050, 300Explain how you get 4 rows of output when the table contains only 3 rows. Are you saying that, because some row has end_date=31/12/2009, then any other row that includes that date has to be split into two, with one row ending on 31/12/2009 and the other one beginning on the next day?
Explain, step by step, how you get the values in the desired output, especially the last column.
But in reality all I need is:Sorry, I can;'t understand what you want.
Are you saying that the output above sould be acceptable, but the output below would be even better?
row, product, start date, end date, sum
1, car, 01/01/2000, 31/12/2009, 280
2, car, 01/01/2010, 01/01/2050, 300
Preferably the query would be in a view rather than a stored procedure, and it needs to be able to handle many 'products', 'components' and start/end dates.Include a couple of differtent products in your sample data and results.
I'm not sure what you want, but there's nothing in what you've said so far that makes me think a stored procedure would be needed.The only output I actually require is:
row, product, component, rate, start date, end date, sum
1, car, 01/01/2000, 31/12/2009, 280
2, car, 01/01/2010, 01/01/2050, 300and with the extended data set:
3, family, 750, 01/01/2000, 31/12/2001
4, family, 1249, 01/01/2002, 31/12/2004
5, family, 1499, 01/01/2005, 31/12/2050however, I was thinking that the data set would need to be somehow expanded to get to the above end result, hence why I included the 'middle step' of:
row, product, component, rate, start date, end date, sum
1, car, chassis, 180, 01/01/2000, 31/12/2009, 280
2, car, engine, 100, 01/01/2000, 31/12/2009, 280
3, car, chassis, 200, 01/01/2010, 01/01/2050, 300
4, car, engine, 100, 01/01/2010, 01/01/2050, 300however, this may be irrelevent.
By the way, there's no point in using the same expression in both the PARTITON BY and ORDER BY clauses of the same analytic function call. For example, if you "PARTITION BY parent", then, when "ORDER BY parent, child" is evaluated, rows will only be compared to other rows with the same parent, so they'll all tie for first place in "ORDER BY parent". OK, thanks.
So far I have got to:
select
sum(rate) over (partition by product) as sum,
a.*
from product_rates a
which results in:
SUM     PRODUCT     COMPONENT     RATE     START_DATE     END_DATE
480     car     engine     100     2000-01-01 00:00:00.0     2050-01-01 00:00:00.0
480     car     chassis     200     2010-01-01 00:00:00.0     2050-01-01 00:00:00.0
480     car     chassis     180     2000-01-01 00:00:00.0     2009-12-31 00:00:00.0
2249     family     baby     250     2000-01-01 00:00:00.0     2004-12-31 00:00:00.0
2249     family     wife     999     2002-01-01 00:00:00.0     2050-01-01 00:00:00.0
2249     family     baby     500     2005-01-01 00:00:00.0     2050-01-01 00:00:00.0
2249     family     wife     500     2000-01-01 00:00:00.0     2001-12-31 00:00:00.0
but this shows that all price variations for a component over time are being summed (e.g. car enging 100 + car chassis 200 + car chassis 180 = 480)
Hope that goes someway expaling my query better.
Also, quick query to improve my postings - how do i indent without making text ittallic, and how do you make code a different font?
Thanks again.
Julian

Change over time on production line.

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