Thanks for the response, Al.outset.
One thing you mentioned caught my eye. Should *all* parent parts be
MPS items? This is a distinction that has confused me from the
We have a finished good (let's call it part A), which is made up of
several components. One of these components (part B) is made from
yet another material that we manufacture (part C). As things stand,
part A is MPS (or so I believe--the Master Scheduled flag in MRP140
is 'M') while parts B and C are not (the Master Scheduled flag is
Do I have a fundamental misunderstanding of the use of this field?
om] On Behalf Of macwheel99@xxxxxxxxxxcustomer
Sent: Monday, November 10, 2008 8:20 PM
To: BPCS ERP System
Subject: Re: [BPCS-L] No planned production order for certain items
A problem that can happen with new parts is that engineers set them
up with effectivity date of the date they entered them, inform
service that the parts are now in the system, customer servicereleases
orders needing the parts real soon.that
Even though we might have enough of the raw materials to make the
parts, if the MRP planning sees that something is needed into the
past due on arrival, or before starting effectivity date, then it
does not get planned.
Avoid this by
(a) Be sensitive to lead times, so that orders are not entered such
any component is past due when the customer order is entered (You?
can fake out BPCS by using an ancient planning date, to get MRP
planned, then a valid planning date to reschedule the past due parts
... or enter a customer order for a DOABLE date, run MRP, then
change customer order to a not-doable date.)
(b) Ask engineers to use some date earlier than the date they key in
new parts, for effectivity, so as not to muck up MRP if the parent
parts get ordered right away.
Also check on whether the parent parts are MPS items (Master
Scheduled). Sometimes when new items get entered, some standards get
When we run MRP planning
1. Plan all the MPS items.
2. Plan all their components.
You could get a listing of any parent items for which there is
independent demand, but failure to code them as MPS items.
Kevin Harper wrote
I hope these questions are helpful at determining the issue....
- Is there demand for the parent item(s) ?
- Is the parent item demand showing up in MRP maintenance?
- Are these items within their effectivity date range on the BOM ?
- Are these items using a method code on the BOM (other than blank)
- In Facility Planning, what is the Requirements Code ? (should be D
productionor S or blank)
Waterfall Data Solutions, Inc.
On Mon, Nov 10, 2008 at 9:23 AM, Carlson, Christopher W. <
We're using BPCS 6.0.2, and for a certain kind of item no
planning is taking place.
It's a third-level item--that is, it is used to make an
part, which is then used to make a finished good. We maintain a
zero minimum balance, and the Facility Planning Data record is set
up with a fixed period requirements (order policy G) with an order
purchasedperiod of 30 days. Additionally, the 'Master Scheduled' field is
set to 'N' in both the Facility Planning Data and Item Master
records (this setting appears to be valid for second-level
Does anybody know of something that would prevent production
planning from taking place for these items, or could you give me
some sort of hint as to where I could look?
--- Chris Carlson
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