I believe that there is confusion between Item Demand code 1 and 2 and the item requirements code

Bud has provided the correct definition for the item requirements code which has not changed from V5.05Cd - 8.2. In ERPlx the only difference is the following:

D has been replaced by a '1'
I has been replaced by a '2' and
S has been replaced by a '3'

In all versions of BPCS/LX:

Item demand code 1is defined as follows: (from the helptext)

This code specifies how the system uses customer orders and forecasts to determine planned order quantities. Demand Code 1applies within the time fence that is determined by the entry in the Demand Time
Fence Days/Periods field. The demand codes specified in the system parameters display here by default. You can override the default values here. The values in the Demand Code 1and 2 fields are item/facility overrides to the similar entries made at the item level through Item Master Maintenance, INV100.

The following codes are available:

1=Greater of Forecasts and Customer Orders

2=Sum of Customer Orders and Forecasts

3=Forecasts Only

4=Customer Orders Only

Item demand code 2 is defined as follows: (from the helptext)

These codes determine how customer orders and forecasts are used to determine planned order quantities. Demand Code 2 applies beyond the time fence that is determined by the entry in the Demand Time Fence
Days/Periods field.. The demand codes specified in the system parameters display here by default. You can override the default values here.

The difference between Item demand code 1 and 2 is that demand code 1 defines how the planned order quantities are calculated within the time fence and demand code 2 defines how the planned order quantities are calculated beyond the time fence.






Dan Sweeney - Sr Technical Consultant
PHOENIX Business Consulting, Inc.
Cell: 860.490.6712
www.phoenixbcinc.com



________________________________________
From: bpcs-l-bounces+dsweeney=phoenixbcinc.com@xxxxxxxxxxxx [bpcs-l-bounces+dsweeney=phoenixbcinc.com@xxxxxxxxxxxx] On Behalf Of Bud North [bnorth@xxxxxxxxxxxxxxxx]
Sent: Monday, April 12, 2010 2:40 PM
To: bpcs-l@xxxxxxxxxxxx
Subject: Re: [BPCS-L] Item Demand Code

I only have access right now to 4.05CD - but it seems to me the field you are questioning is what is referred to as the 'Requirements Code' in this release. If not, other replies have already dealt with the use of Demand Code 1 and Demand Code 2.

This is from the help text:
Requirements Code (1,A)
Enter a "D," "I" or "S" to designate the type of demand for this item.
This demand type determines planned order requirements for this item.
The program defaults to "S."
D Dependent demand only – Indirectly from requirements generated by parent tems (For example, FMA's and all other requirements from higher level formulations or Bill of Materials)
I Independent demand only – Directly from customer orders and forecasts
S Sum – The sum of both independent and dependent demand

This determines what type of demand is used in Planning generations. The default of 'S' is the trypical setting in my experience. The basis being that if there is only Dependent demand, a setting of 'S' won't hurt since there will not be any Independent demand anyway. And the reverse holds true as well. Plus a setting of 'S' ensures that if by chance there is demand of the opposite kind, it won't be missed. I think blank works the same as 'S'. There is no 'G'. That is an Order Policy Code only I believe.

Hope this helps or provides further clarification.
Regards, Bud

________________________________________

subject: Re: [BPCS-L] Item Demand Code

Thanks to Al.

Someone has sent me a partial solution.

I if the item is a finished good (demand comes from customer orders or forecast)
D if it's a purchased item or a manufactured semi-finished
S if the item at the same time can be consumed internally and can be sold to customers
G ?

Still no info on what affect they have.

Regards,

George
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