How to Configure Range Of
I am trying to configure the
range of coverage profile to provide a 6 months safety stock, in which
the 'target cov' field should be populated with 180 days, but the that
field only accepts 2 characters max. Is there another way of accomplishing
this or am I doing something wrong. Please let me know. The current setup
- Period Indicator = M
- Type of Period = 1 (Workdays)
- Range of coverage in
the first period:
- Min = blank;
Target = 90; Max = blank
In this Target value accepts
only digit numbers.
Yes the system accepts only two
digits. But since you want stock coverage for 180 days. Use
target as say 60 and the number of periods as 3 . Try it and keep us posted.
But the one other issue is the system calculates the dynamic safety stock.
It easy to calculate the stock
for the first period but for the later periods its difficult. So
if later there is a problem with the quantity then its difficult to calculate
or cross check what system has proposed.
Using target as 60 and number of periods as 3, only results
in system maintaining safety stock for 60 days for first 3 periods. I found
out that there is no way out of this. Strange that SAP wouldn't let the
companies plan for inventory coverage more than
99 days. This is a pharmaceutical client whose procurement
lead times are more than 5 months for some of the materials, where they
want to maintain a 6 month coverage and SAP wouldn't allow to achieve it.
Am I doing something wrong here. Is there another way of maintaining dynamic
safety stock for 180 days requirements coverage? Please share your knowledge.
Please let me know in details how the profile coverage
works in SAP. In details means how it is being calculated and what
is being considered. As I am figuring how I could make use
of this function that my customer require us to keep 15 days inventory
and customer forecast flucuates drastically every week.
Thanking all in advance for your kind advice and help.
In customizing in MRP calculation menu , you have Range
of coverage. Define the range of coverage you want , as you said
15 days for a period of 3 months. Then in the profile first fill
the Avg. daily req data and then the range of coverage data.
Use this profile in the material master mrp II view(I
think), in range of coverage.
As far as calcualtion are concerned its very to calcualte
the Qty for the first period and then for the later periods its difficult.
May be I am wrong, just try and keep us posted.
The Range of Coverage profile is define specific to a
plant in IMG and then assigned to materials in master data MRP 2 view.
To define the profile, use menu path
IMG->PP->MRP->MRP Calculation->Define Range of Coverage
Profile. In the definition, there are two sections of data that you need
to fill in.
1. Parameters for calculation of average daily requirements
and Period indicator.
2. Minimum, Target, and Maximum stock calculation parameters.
PARAMETERS FOR AVERAGE DAILY REQUIREMENTS CALCULATION:
Choose the period indicator as Month, Period, or Week.
Specify the number of periods. This is used by system
to calculate the average daily requirements.
Select the "Type of Period Length", ie. as workdays or
calendar days or standard days (days per period). If the type of period
length is selected as standard days, they you have to specify the "days
per period". Using these three parameters, the system calculates average
daily requirements using the formula:
average daily requirements = Sum of requirements in the
number of periods / number of days in the number of periods.
PARAMETERS FOR TARGET STOCK AS DAY'S OF SUPPLY
Then you have to specify how many workdays of supply
you want to maintain as target stock, in your case 15 workdays. If you
wanted to maintain a constant 15 days of supply as inventory through out
the planning horizon, just specify the target stock as 15 days and leave
rest of the fields as blank, i.e min, max, and number of periods. The number
of periods in this section simply maintains the target stock for that many
periods from the date of MRP run. This way you can tell the system to maintain
different target stock levels for three different period intervals. For
example, if you wanted to maintain 15 days stock for first 3 periods, then
specify the target stock as 15 days and number of periods corresponding
to it as 3. The system then will maintain 15 days supply as inventory for
first 3 periods from the date of MRP run and subsequent months zero inventory
will be maintained. This will allow you to maintain your 15 days supply
constantly for 3 periods.
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