CTM Control Parameter SSTOCK_MODE

[Former Member]

Hello All,

We are running CTM with control parameter SSTOCK_MODE with value 1:X, value 2: blank. in this way ctm plans only for safety stock demand, not normal demand.

However, when we do this, CTM does not see available supply already created and it creates production plan again. Is there anyone who had the same problem or who can help on that?

Thanks and regards,

Jenny

[Former Member · Accepted solution]

Hi,

Why does CTM create an excess of supply when I use the safety stock method?

Answer:

The standard safety stock method uses a second run to fulfil the requirements for the safety stock. CTM checks the inventory profile and as soon as there is a need it creates a virtual demand for the second run. With this method CTM creates demands at a certain point of time to maintain safety stock level irrespective of the orders created further down the timeline. Consequently you can get an excess of supply, especially when lotsize settings are being considered.

For example you can face a situation with no stock at the beginning of

the planning period and then several big forecasts at the end.

In this case CTM creates a demand for the safety stock without taking

into account the following forecasts (which have been supplied in the first run).

In order to mitigate the creation of excess of supply you can use the control parameter SSTOCK_MODE:

SSTOCK_MODE

Do not use in SCM 5.0 or higher. Instead use in CTM profile ->

Supplies with 'Build Up Safety Stock'

Do not plan Demands indicator = SSTOCK_MODE Value1 = X.

Consider Supply Shortage indicator = SSTOCK_MODE Value2 = X and 1 and 2 Stock is Available indicator = SSTOCK_MODE Value2 = 0 and 2.

Release APO 3.0A (SP20+) APO 3.10 SCM 4.0 SCM 4.1

Parameter used in Safety Stock Run (ABAP)

Parameter has to be set by User

Value 1 = "", X (Parameter active also if Value 1 not set)

Value 2 = 0, 1 (previously X) or 2

Description: Demands and Safety Stock fulfilment can be done in the same CTM run. Applied only if safety stock rebuild active.

If Value 1 is set the order selection of the normal run is performed but the planning of normal demands is skipped. The safety stock run is performed as usual.

In the safety stock run, CTM creates virtual demands to trigger building up to the desired safety stock level.

If Value 2 = 1 or 2 the net calculation of the inventory also takes into account the backlog of normal demands. By default, the safety stock run doesn't take into account the backlog of normal demands, which is determined by the unpegged quantity.

If value 2 = 0 or 2 , available stock is not blocked for safety stock requirement of the same location product, but is visible to dependent requirements during planning. However stock with a pegging relation is not available and remains untouched.

The combination of both values can be used to plan normal demands and safety stock in one run. This allows avoiding interval planning in case of time-dependent safety stock. This setting is only suitable if safety stock is considered exclusively for finished products because normal demand counts up against decreasing safety stock level. In this case parameters SSTOCK_EARLYFRAME and SSTOCK_LATEFRAME should be applied.

Go through the above detail, it may help you.

Thanks,

Dipankar